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lt's all right, Chief.
You're going to be fine.
What happened?
You were re-routing a phase inducer
when a plasma conduit blew out.
Easy there.
You have a mild case
of radiation poisoning.
l've given you some hyronalin
to counteract the effects.
- He should be restricted to light duty.
- Agreed.
The transport's arrived and they want
permission to dock.
Route them to docking bay 1 2.
Tell the Romulan delegation
we'll meet them there.
And Chief
Light duty means light.
l don't want you crawling around
looking for power surges.
You won't get any arguments today.
Ready, Major?
Promenade.
Du'cha Kovah!
Estah!
l wasn't aware there were any Klingons
on the station.
They just arrived a few hours ago.
The main computer on their freighter
was damaged
and they need a complete overhaul
before they can go back
to the Klingon Empire.
How long will this overhaul take?
Two days, at least.
The Romulan delegation has arrived
and they'll be here for two days
while they study our reports
on the Dominion.
Keep a close eye on the Klingons.
We don't need any trouble right now.
Understood.
Let's go.
Welcome to Deep Space 9.
l'm Commander Sisko,
this is my first officer, Major Kira.
l am Ruwon.
This is Karina.
We're ready for your report
on the Dominion.
We have quarters arranged for you.
lt was a long trip,
perhaps you'd like to
We're not interested in that.
We are here for your briefing.
Nothing else.
Very well.
lf you'll come this way
This will be the foul line.
We must put a marker on the floor.
How will this help my business?
No, that's not right.
The number 20 should be at the top.
Trust me.
Darts and bars go together
like bacon and eggs.
At least people order bacon and eggs.
No one ever wanted the dart board.
Trust me.
They will.
l just don't see the appeal of this game.
No lasers, no holograms
just steel tips and feathers.
lt's a game of skill, Quark.
And it's not so easy.
Go ahead.
Try to get one in the bull's-eye.
No!
What if one of those darts had gotten
into his eye?
Do you realise l'd be liable?
Do you know how much an eye costs?
You shouldn't throw them like that.
You throw them gently
one at a time.
Like this.
Chief O'Brien? The Klingons
have destroyed two holosuites.
This happens every time
Klingons come to the station.
Just keep them out of the holosuites.
Did you ever say no to a Klingon?
Besides, they're paying me double.
Chief? Chief!
You had a muscle spasm caused
by a decrease in your calcium levels.
lt's a side-effect of radiation poisoning.
l'll give you something for the pain.
But what aboutthe vision l had?
Mild hallucinations are a side-effect
of radiation poisoning.
lt was anything but mild.
l really felt l was standing
on the Promenade
watching myself talking to Quark.
What was the conversation about?
He was complaining about the Klingons
who damaged two of his holosuites.
Well, you do have one problem.
lf you only hallucinate about Quark's
problems, you have a sad fantasy life.
Oh, well Thank you
for your professional opinion.
Any time.
My doors are always open
to you, Chief.
The Dominion represents
the greatest threat
to the Alpha Quadrant
in the last century.
We need more information
on its military capabilities.
How many ships do they have
and where? What are their plans?
- Are they planning an attack?
- We don't know.
One of the Founders
of the Dominion is here.
He should be able to tell us
all we need to know.
Odo is not one of the Founders.
Your reports indicate that changelings
are the real power behind the Dominion.
- Yes.
- And Odo is a changeling.
- But he's not a Founder.
- l fail to see the distinction.
Odo made a conscious choice
to stay here with us.
He has no loyalties to the Dominion
and no information about their plans.
That's hard to believe.
lt's the truth,
whether you believe it or not.
We let you place our cloaking device
on the Defiant in exchange
for information about the Dominion.
Now you have the cloaking device
and we have very little.
We needn't remind you
of the importance
both our governments place on
continuing to carry out this agreement.
lt's the first treaty between Romulus
and the Federation in years.
l'm aware of that and l want
to cooperate with you in any way l can.
Very well.
We want to see all the information
Starfleet has on the Dominion.
lncluding any reports
to Starfleet Command.
- l'll have to check with Starfleet.
- Then do it.
- Chief O'Brien.
- What is it, Quark?
The Klingons just destroyed two
holosuites.
l need a maintenance crew.
We go through this every time Klingons
come aboard the station.
Why don't you just
l think my holosuites can wait.
lt looks like you have bigger problems.
l went over the sensor logs
and found evidence
of a temporal disturbance in Quark's
and another one on the Promenade.
Both happened at the same time
as the Chief's experiences.
So you did travel into the future
and then returned
to the same moment you left.
Have you any idea what caused
thistime shift?
Not yet.
l want to go over the medical scans
Julian took earlier.
That dose of ionising radiation
may have something to do with it.
- How?
- l'm not sure,
but l've heard theories that low level
radiation could have a temporal
Look out!
effect on radioactive isotopes.
Chief!
Mr O'Brien.
l ran a scan and detected
minute damage to his nerve cells.
lt might have been caused
by the time shifting.
- Can you repair it?
- Yes.
But if you keep time shifting,
the damage might become irreparable.
Eventually, it might even kill you.
Don't worry.
Dax is scanning
the station for temporal abnormalities.
Well, if anyone can find the cause
of the time shifts, it's Dax.
Do you know how far
into the future you travelled?
There was nothing to indicate
it was today, tomorrow, or next week.
This conference with the Romulans
shouldn't last longer than three days.
ln the meantime l'll have Odo tighten
security in Quark's.
- How are you feeling, Chief?
- Better.
Good.
Commander, can we speak?
Of course.
The Romulans want to debrief
everyone who was on the Defiant.
They're not happy with the information
collected by the Defiant.
They want access to the Defiant.
And complete access
to our personal logs.
That's out of the question.
But they can
have limited access to the Defiant.
l know they're pushing us, Major.
But consider their position.
No Romulan ships have ever been
to the Gamma Quadrant
or encountered the Dominion.
They depend on us for information.
They should find out for themselves.
The Romulans prefer to sit back
and pull the strings from a distance.
This puppet doesn't like
her strings pulled.
l know.
But they've lived up to their end
of the bargain.
We have to live up to ours.
l'll draw up a schedule of interviews
and tell everyone to cooperate.
And Major, when you're with
the Romulans, try to be diplomatic.
l'm always diplomatic.
That is ridiculous
and l resent the implication!
You're very agitated
for someone who's innocent.
Your emotional state indicates
that our theory is correct.
You abandoned the Defiant prematurely
when it was attacked.
When the Defiant was attacked,
Odo and l were trapped below decks.
There was a fight in the corridor.
l was wounded and lost consciousness.
When l came to, Odo had already put
me on a shuttle and we had escaped.
l did not abandon
the ship prematurely.
Why didn't Odo try to help the rest
of the crew?
l'm sure he wanted to.
But there was
no way to get to the Bridge and
Why were you in Odo's Quarters
when the ship was attacked?
We were talking.
- About what?
- lt's personal.
Do you often have personal talks
with the changeling?
What business is that of yours?
We're interested in your relationship.
You are the only member
of the crew who was not taken prisoner.
Why? Did the Founders believe Odo
would react badly if you were harmed?
Did they think you held
an attraction to him?
Has Odo ever shown any
physical interest in you, Major?
That's it.
You can rip the cloaking device
out of the Defiant.
l'm not answering any more questions.
l suggest you avoid asking Odo
those questions
or you may find yourselves
on the other side of that bulkhead.
There, that's the game.
Had enough?
One more.
Chief, that's ten games in a row.
Nothing's happening here
and l don't think anything will.
You've changed the future.
Quark's not
letting the Klingons back in the bar.
- There is not going to be a fight.
- l know, l know.
But
l've seen it.
l can't help feeling it's going to happen
despite our precautions.
There's something about the way things
look, the number of people
something's a little too familiar.
All right.
lf it makes you feel better,
l'll beat you at another ten games.
But l can't help the feeling
Ach'cho korvak batah!
You said you wouldn't let
the Klingons back in the bar.
l didn't.
They were in the holosuites.
Besides, now they're paying triple.
Who let these filthy "pahtk" in here?
We should show them the way out.
- And thenwhat's his name?
- Ruwon?
Ruwon started to insinuate,
that you were
That l was what?
lnterested in me.
- He said that?
- Have you ever heard anything so
- Ridiculous.
- Exactly.
Quark to Security.
l've got a fight here.
They're tearing my place apart.
Watch the Romulan!
That's enough!
Get backcome on
Hold it.
Let's go.
Come on now.
Miles?
Chiefit's all right.
You collapsed outside Quark's.
You'll be fine.
No, l'm not.
ln a few hours
l'm going to be dead.
This is the panel l saw myself open.
lt looked like a phaser or a laser
came out of the bulkhead.
Nothing on the tricorder, just the
standard conduits and power ports.
lf there is something dangerous
in there,
it could be cloaked or have
a dampening field around it.
lf you step down the corridor,
l'll open the panel and take a look.
Don't worry, l'll be careful.
lt's all right.
Nothing.
You're sure this is the right panel?
Absolutely.
Believe me, l have a vivid memory
of the whole thing.
Well, since it appears that your
first two time jumps
each moved you about five hours
into the future,
we could also assume that the incident
you saw in this corridor
took place about five hours
into the future.
That means someone will place
a device here in the next few hours.
All of these quarters are vacant
at the moment.
There are no vital power
conduits in this area,
no crucial defence systems.
Why would someone ***-trap
a wall panel here?
l suggest we place a surveillance
device in this corridor.
lf anyone does tamper with the panel,
we'll be able to detect it.
Dax to Sisko.
Sisko here.
Go ahead, Lieutenant.
Can you come to ops? l think
l found a clue to O'Brien's time shifting.
On our way.
Keep me informed.
l've been scanning the area around
the station.
l didn't find anything at first.
Then l started scanning
some of the subspace bandwidths.
l found traces
of low-level tetryon emissions.
l've never seen
this outside of a neutron star.
Or a quantum singularity.
They send
out waves of temporal displacement.
But if there is a singularity nearby,
where is it?
lt should also be affecting gravimetric
field signatures.
l don't know.
Maybe it's buried in the
subspace layers so we can't detect it.
Let's assume that a singularity is
responsible,
how do we combat its effects
on the Chief?
The temporal displacement caused
by a quantum singularity
commonly affects
delta radioisotopes
which is exactly
what the Chief absorbed.
You're saying that it could be pulling
O'Brien's body like a magnet?
Exactly.
l may know a way to neutralise
the radioisotopes in your body.
Without the radiation,
the displacement might stop.
lt will take time.
He may experience
one or two more time shifts
- before l can complete the process.
- When can we start?
Right away.
Keep trying to pinpoint
the singularity.
lf it is out there,
we need to locate it and get rid of it.
Right.
l moved the Romulans
to different quarters.
The replicators again.
l assigned a maintenance crew,
but in the meantime
l moved the delegation
to section 4 7, level 2.
- Section 4 7
- ls something wrong?
The wall panel where O'Brien saw
himself killed is outside those quarters.
Which means either the Romulans
will put a device in the bulkhead
or someone else will, possibly
to be used against the Romulans.
Should l move them to other quarters?
No.
That'll warn whoever's responsible.
But inform Odo
of the change in quarters.
He already has
that corridor under surveillance.
Let's see how this plays out
before we make any further moves.
You have something, Constable?
Someone has planted
a surveillance device
behind the wall
panel we've been monitoring.
- Did you see who it was?
- No.
We've been monitoring the corridor
for the past three hours.
No one's come anywhere near
the panel.
However, sensors did detect
a low energy transporter beam
a short time ago.
They beamed the device directly
into the wall.
That's a delicate piece
of transporter work.
Yes.
We haven't been able to trace the beam
to its point of origin.
But since there aren't any ships nearby,
l believe it originated on the station.
Any suspects?
Since it appears to be
a device intended to conduct
surveillance of the Romulans,
my suspects would be the Klingons.
Do you have any evidence for that?
Not yet.
But don't worry, l plan
to investigate the Klingons,
the Bajorans, Quark,
the visiting Terrelians
You think Quark
had something to do with this?
l always investigate Quark.
lt looks like
you're going to cheat death after all.
lt was about this time
you saw yourself being killed.
l feel like someone
just walked over my grave.
l've been close to death in my career.
But there was something
about watching myself being killed,
feeling my own neck
for a pulse that wasn't there
lt could've been worse.
lt could've been me.
Here you are, gentlemen.
How is DS9's most famous
fortune-teller?
Don't call me that.
l haven't told anyone's fortune.
Just a figure of speech.
On the other hand, if you should
find yourself in the future again
and you find yourself
passing by the dabo table
would it really hurt to look at
the numbers coming up on the wheel?
- l could make it worth your while.
- Let's get out of here.
Just a thought.
Can you believe that? l'm pulled
into the future and he thinks about
Chief! Oh, am l glad to see you.
- What the hell happened to me?
- lt was the radiation.
l didn't realise it had damaged
the basilar arteries in your brain stem.
Why not?
lt didn't show up on the diagnostics.
l didn't realise it until the autopsy.
- The autopsy
- Yes.
l just finished it.
- Do you want to see the results?
- That's all right.
When you return to the past, tell me
to perform a basilar arterial scan.
Since you're going five hours back
into the past, l have enough time
to find the damage and repair
it before this happens.
Right.
How could you just let me die?
l didn't just let you die.
l fought
to keep you alive for over an hour.
- But your body gave up.
- Gave up!
l'm sorry Chief, but there is a point
when the human bodygives up.
Maybe my doctor wasn't
Bashir to lnfirmary.
l need a nurse
and a med-kit immediately.
We were able to localise
the transporter beam
and trace it back to this location.
These quarters have been
vacant for weeks.
Somehow, they overrode the security
lock on the door to gain access.
What did they do,
bring in a portable transporter
and beam the device into the bulkhead?
That was my first thought.
Then l realised a portable transporter
is a rather bulky piece of equipment
to be carrying around the halls.
- That's true.
- So then l began
thinking about the replicator.
They realigned the matter-energy
conversion matrix
Turning it into a small transporter.
A very sophisticated,
very professional job.
Now we know how they did it
the next question is who?
l think l have
the answer to that, as well.
This device is manufactured
on Davlos lll,
a planet on the Klingon border.
ln fact, Davlos does most of its trade
with the Klingon Empire.
That's still pretty slim evidence
to make an arrest
Yes, it is.
But then l contacted a friend
at Starfleet lntelligence
who was assigned to the Federation
Embassy on the Klingon Homeworld.
He put me in contact with a former
Klingon operative
who is out of favour
with the administration.
This former operative sent me
a series of reports that
Odo, cut to the chase.
The three Klingons on the station
are part of a covert strike force
that reports directly
to the Klingon High Council.
Why didn't you just say so?
Sometimes l have to remind you
how good l am.
So Gowron sent our three friends here
to conduct surveillance
on the Romulan delegation.
Why?
- Are they here to kill them?
- Possibly.
lt's also possible that this is a routine
intelligence-gathering operation.
The high-energy laser
that killed O'Brien is a *** trap
to prevent someone
from tampering with the device -
it's not meant for assassination.
l think we have enough evidence
to hold the Klingons for questioning.
Don't you?
Absolutely.
l'll question them until the
Romulan delegation leaves the station.
Just be careful.
Commander, there's no careful way
to question a Klingon.
l haven't given up.
l won't give up!
lt's all right, Chief.
You're OK.
No, l'm not.
You need to run
a basilar arterial scan.
Why?
Because if you don't,
l'm going to die in less than five hours.
- Who told you that?
- You did.
ln the future.
Oh.
Who am l to argue with me?
Let me go!
This is an outrage!
We've done nothing!
We will have our vengeance
on all of you for this!
You're treating us with dishonour.
We've done nothing wrong.
We take a very dim view of spies
and saboteurs on this station.
Now you slander us.
When my family finds out what
you have done, they will kill you.
l doubt that very much.
The only people who will come here
are your friends in Klingon lntelligence.
And from what l understand,
they don't like to be embarrassed
by operatives who fail in their missions.
However, should you feel
like cooperating,
l might let you go without contacting
your friends in lntelligence.
Maybe.
- So, how are you feeling, Chief?
- Better, sir.
l've eliminated
most of the radioisotopes.
l have to wait,
but after the last treatment
there should be
no more time shifting.
What about the quantum singularity?
We've been able
to track its tetryon emissions.
lt seems to be orbiting
Deep Space 9.
At certain points in its orbit,
the singularity radiates temporal energy
at a specific wavelength.
- That seems to trigger my time shifts.
- ls there any way to break its orbit?
We were hoping to
Come on! Hurry!
We don't have much time!
Prepare to seal the hatch and release
the docking clamps.
lnitiating emergency escape protocol.
Hang on.
l'm going to full impulse.
Now what?
You're here!
Look, l don't know what happened.
l was asleep when
the station was rocked by an explosion.
The evacuation alarm sounded
and the com systems were down.
l got as many people as l could in here.
l don't know about the others.
When you go back, you must find out
what happened and stop it.
My God!
Chief? What's wrong?
We've got a new problem.
Did anything from the runabout indicate
how the station was destroyed?
There were a series of explosions
across the habitat ring,
but it happened so fast, l couldn't get
a sense of exactly what was going on.
Were you looking at internal explosions,
which would indicate sabotage,
or external explosions which might
indicate we were under attack?
No.
l'm not sure.
Did you see any ships nearby?
No, but my view was limited.
Looks like we can't rule anything out.
Agreed.
Make preparations to evacuate
the station, but do it quietly.
lf the destruction of the station
is the result of an attack,
we don't want to alarm our enemy
and make him trigger events
we're trying to avoid.
Begin checking everything that could
cause this kind of explosion.
Right.
Commander, there might be another
way to find out what's going on.
lf l could travel into the future
just before the destruction of DS9,
l could find out what's going to happen,
then return to the present in time
for us to prevent it from happening.
lf you flood my body with high
concentrations of radioisotopes,
it might trigger a time shift
into the future.
Possibly, but those isotopes are toxic.
lt could cause permanent damage,
even kill you.
lf the future happens the way l saw it,
a lot of people
will be killed when the station explodes.
- lt's a risk l'll take.
- Even if you can initiate a time jump,
each time you've travelled
into the future, you've gone five hours.
How do you propose
to shorten the length of the jump?
There might be a link between the
temporal frequency of the singularity
and the length of the time shift.
We could match the decay constant
of the isotopes we inject you with
to the frequency of the singularity.
Then we could control
how far you jump into the future.
- Exactly.
- All right.
But if you can't do it within two hours,
l'm going to begin
evacuating the station.
Understood.
Now, when you activate this device
it'll inject you with a dose
of delta isotopes.
That should put you about three hours
into the future.
- What's the margin of error?
- Half an hour.
lt's already set for the return trip,
you just have to reactivate it.
Right.
And remember, don't wait too long.
Your body will experience
severe radiation poisoning.
- Without treatment, it will kill you.
- l won't forget.
Good.
Julian, there's a message
in my quarters for Keiko if
l understand, Miles.
That's three and
half hours into the future.
- Miles Miles, wake up!
- What?
Computer, lights.
Not you again.
What is it now?
Listen.
l've jumped ahead
and seen your future.
Don't ask me how.
lt'll take too long to explain.
There's going to be a disaster.
DS9 will be destroyed.
- Destroyed? How?
- l don't know.
That's why l'm here.
l have to find out what will happen
and then travel back to prevent it.
You look pretty bad.
lt's the radiation.
But if you feel bad and you're my past
self, shouldn't l feel bad, too?
l hate temporal mechanics.
Let's go to ops
and see what's going on.
Help me up.
Run a sensor sweep of the station.
Look for anything that might indicate
Report!
A Romulan warbird just decloaked off
lower pylon two.
They've taken out
our shield generators.
Lock phasers and return fire.
They've hit the fusion reactor.
Main power's down,
defence system's off-line.
Try to re-route phasers
to emergency power.
You've got your answer.
The quantum singularity
orbiting the station lt's the Romulans.
The Romulans use a confined
singularity to power their warp core.
That's what's causing the time shifts.
Go back and tell them to put the
shields up and stand by for an attack.
l can't.
l can't get through another shift.
lt's the radiation poisoning
You go.
Just activate it.
lt's set for the return trip.
Me? l don't belong there.
l'm you, you're me -
it doesn't matter.
Just go.
Go!
Chiefwhat happened?
lt worked.
- O'Brien to Sisko.
- Go ahead, Chief.
l've been to the future, Commander.
The quantum singularity
off the station is actually
in the warp core
of a cloaked Romulan warbird.
They will decloak and fire on us
in a few hours.
Understood, Chief.
Raise shields.
Stand by weapons systems.
l don't understand it.
Your body should be flooded
with delta series radiation
but there's hardly any in your tissues.
Your metabolic readings are different.
What happened?
There's been achange.
- l really have nothing else to say.
- l think you're lying, Quark.
- About what part?
- All of it.
Well, at least l'm consistent!
Quark, you can leave.
Thank you!
l know you have a cloaked warbird
orbiting the station.
And l know you're planning an attack.
l couldn't understand why.
Then l remembered
what you said about the Dominion.
They're ''the greatest threat to the
Alpha Quadrant in the last century''.
lf you believed that, the only way
to be safe from the Dominion
is to collapse the Wormhole.
But you knew we wouldn't just watch.
So you had to destroy the station
so there would be no witnesses.
Everyone would assume that
Deep Space 9 was destroyed by
the accidental
collapse of the Wormhole.
An interesting theory, Commander.
But that's all it isa theory.
That's right.
But l'll tell you what's not a theory.
We've tracked the tetryon emissions
back to your warbird
and l have about 50 photon torpedoes
locked on to it right now.
l think it's time we left.
l agree.
Constable, please escort our guests
to the nearest transporter room.
lf you'll come with me
You're saying you remember playing
this game with me in the future?
- Right.
- All right, what am l going to hit?
- That's remarkable.
- lt's also a little disturbing.
l have this feeling
that l don't really belong here,
that this isn't really my life.
Maybe this life belongs
to that other Miles O'Brien
Whether you're in the past
the present, you are Miles O'Brien.
You just have a few memories
the other one didn't have.
Well, l think l'll go to bed.
l'm still kind of tired.
That sounds like a good idea.
Quark
Dabo.
Dabo?
Dabo!
Wait! Chief, wait!
