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Michael Jennings has a great job. He's a reverse engineer, paid large sums of money to figure out how rival technology works and improve on it. In exchange for his massive paychecks, he must have his recent memory wiped after each job to prevent any information leaks. Life is good.

His latest project at Allcom was supposed to be his biggest yet, lasting ''three years''(which were wiped upon completion) but earning him enough money to finally retire.... but something has gone wrong. His 8-figure payment has been forfeited in favour of a manila envelope full of random odds and ends. The FBI wants to talk to him about his apparent involvement in the death of another engineer. A lot of people are trying to kill him. Now Jennings finds himself in the strange position of having to reverse-engineer his own future... before time runs out.

''Paycheck'' (2003) is a resonably faithful film adaptation of the Creator/PhilipKDick short story of the same name, starring Creator/BenAffleck, Creator/UmaThurman, Creator/PaulGiamatti, and Creator/AaronEckhart, and directed by Creator/JohnWoo.
* AchievementsInIgnorance: Shortly after Jennings reunites with Rachel, they try to use BMW key/car alarm to find an escape vehicle, but when [[spoiler:Rachel notices an [[CoolBike orange and black [=R1150R=] Rockster motorcycle]] with its lights flashing in a nearby display room, she reminds him he learned to ride a motorcycle. Once they're blasting along at 70+ and ducking between cars trying to ram them, she points out that he learned how to ride as in "drive from place to place without crashing" - not become a BadassDriver. Jennings ignores her - he's been doing just fine so far]].
* AerosolFlamethrower: Used by Jennings to take out a couple hitmen.
* BatmanGambit: Allcom deciding to let Michael in, betting he'd want to use the machine before destroying it.
* CallToAgriculture: At the end, the main good guys are working in a greenhouse.
* ChekhovsArmoury: A deliberate, in-story invocation of this trope - The envelope that Jennings substituted for his paycheck contains 20 items, one for each time his life is threatened or he doesn't know how to advance the plot;
##a pack of cigarettes labelled "Smokeless" - [[spoiler:actually regular cigarrettes used to escape from the FBI by setting off the fire suppressants in an interrogation room, creating a smoke screen without it he would have died during interrogation]].
##a pair of tinted sunglasses - [[spoiler:allows Jennings to see through the smoke, enabling a quick escape]].
##a bus pass - [[spoiler:the only item common to both the film and original short story; allows Jennings to escape quickly through a bus terminal the FBI must jump the turnstiles]].
##a diamond ring - [[spoiler:allows a street kid to steal it; had it not happened, Jennings would not have returned to the bank where he received the envelope so he could ask more questions about its origins; also used in the alternate ending in which Jennings proposes to Porter.]].
##a fortune from a fortune cookie with lucky numbers printed on the back - [[spoiler:winning lottery numbers, and clues to the location of the ticket - proof of the envelope's prophetic nature]].
##a janitor's key - [[spoiler:allows friend to access circuit breakers, creating a distraction]].
##a can of hair spray - [[spoiler:used with lighter as a makeshift flamethrower]].
##a cigarette lighter - [[spoiler:used with hair spray as a makeshift flamethrower]].
##a paper clip - [[spoiler:used to short-circuit electronics to avoid being hit by subway train]].
##a matchbook - [[spoiler:specifies a restaurant where he has a reservation, disguised with water-soluble paint as "new liberty saving" bank]].
##a BMW key w/ alarm - [[spoiler:allows him to identify and utilize a means of escape: a motorcycle]].
##a loupe - [[spoiler:allows him to notice discrepancy on stamp]].
##an unnecessary postage stamp on the envelope - [[spoiler:contains microfilm with snapshots from the future the fact that it's Albert Einstein on the stamp is a clue]].
##a small container of ball bearings - [[spoiler:used to set off metal detectors, creating a distraction at security]].
##a keycard to Allcom's facility - [[spoiler:allows him to re-enter his lab]].
##a hex key - [[spoiler:used to open lab door security panel]].
##an Eisenhower Dollar - [[spoiler:used to jam lab door security panel]].
##a crossword puzzle - [[spoiler:locates hardware bug on the machine, allowing him to repair it]].
##a .45 Caliber cartridge, but no gun - [[spoiler:used to destroy the machine fired into hydrogen tank by a cycling piston]].
##a watch - [[spoiler:alerts him when to duck a bullet]].
*** Not related to the envelope is the remote-controlled grabbing device in Rachel's lab, along with her thunder, lightning, and wind effects.
* ChekhovsSkill: In the beginning of the film there is a short scene of Jennings training at the gym, hitting targets with a staff. Guess how he beats up mooks near the ending?
* {{Chronoscope}}: The Time Scope, of course.
* CondensationClue: [[spoiler:Jennings wrote a note to Rachel on her bathroom mirror so she would know he hadn't abandoned her.]]
* CorruptCorporateExecutive: [[spoiler: Rethrick.]]
* DeathByAdaptation: [[spoiler: Rethrick]]. In the short story [[spoiler: Jennings simply blackmails Rethrick into letting him become a partner in running the company]], while in the movie [[spoiler: Jennings leaves himself a watch timed to tell him to move just in time to get out of the way of a bullet and allowing it to hit Rethrick]].
* DisturbedDoves: Well, it is a John Woo film...
* TheDragon: John Wolfe.
* EveryCarIsAPinto: Car vs. pipe. Point goes to the pipe.
* FiveSecondForeshadowing: [[spoiler: The bad guy stands in front of the machine that shows the future, but only sees himself throwing down the controls and trying to escape just as the machine explodes in his face. Horrified, he throws down the controls and tries to escape just as the machine explodes in his face.]]
* FramedClue: The extra stamp on the envelope.
* GambitRoulette: Jennings uses a MemoryGambit, prophecies and a time portal in his plan to outsmart his opponents.
* GoodLuckGesture: You can see that Jennings has his fingers crossed when he raises his head after [[spoiler: ''almost'' being run over by a subway train]].
%%* GuiltyPleasures
* GunpointBanter: Happens twice.
%%* HighConcept
* HotScientist: Jennings meets a beautiful woman at a fancy dinner who turns out to be a biologist.
* IntangibleTimeTravel: The time scope.
* ItMayHelpYouOnYourQuest: Justified here; the character knew exactly what was going to happen in the future and when (see NoteToSelf, below).
%%* LargeHam: Renthrick.
* LaserGuidedAmnesia: Literally. It involves a submicronic laser being used on individual memory-neurons in Jennings' brain and happens to him after every job to prevent data leaks.
* MagicalSecurityCam: The memory reader, which somehow works in third-person.
* MemoryGambit: Knowing his memory would be wiped, Jennings left clues to lead himself to the info or escape route he needed.
* MexicanStandoff: Happens 3 different times in the film!
* MoodWhiplash: An assassin attempts to take a shot at Jennings from behind his newspaper disguise while in a subway station. Then, suddenly, a small kid with a toy revolver approaches the assassin in disguise, and "shoots" him (saying something along the lines of "Bang! Bang! You're dead!"). The assassin ignores him and takes out his long badass silenced pistol ({{BFG}}) to take aim at Jennings. The kid only seems [[UnusuallyUninterestingSight annoyed]].
* NoteToSelf: Made difficult as the only things Jennings could sneak out were innocuous items.
* OntologicalMystery: Jennings' last job and what happened on it kicks off the bulk of the plot, especially since due to the memory-erasure procedure he doesn't know why anyone would kill him over it or why he's been accused of killing someone.
* PlotTailoredToTheParty: As a reverse engineer, Jennings is uniquely suited to analyze the numerous potential bad futures and give himself innocuous-looking doodads to allow himself to survive.
* PragmaticAdaptation: Though the basic idea is more or less the same (Jennings completes a job and has his memory wiped, finds himself in trouble with the law with the only clues being a series of seemingly useless items he left for himself as the result of [[spoiler: seeing his own future]]), the movie is a lot more elaborate than the short story. Some of the key plot elements are seen earlier in the movie, but the ending is completely different in both versions.
* QuestForIdentity: Jennings is trying to find out what happened on his last job.
* RasterVision: Used for the holographic interface.
* RetroactivePreparation: A variant. Jennings doesn't have a time machine, but he ''did'' have access to the time portal.
* ScrewDestiny: What the machine would hopefully do, though Jennings's initial use of it indicates it's closer to a SelfFulfillingProphecy. The eventual conclusion seems to be that you can do it, but it's ''really hard''.
* SelfFulfillingProphecy: The stamps on Jennings' envelope demonstrate this. Images of newspaper articles show that the predictions the machine makes come true but it's because the people they are given to are too quick to jump to conclusions, thereby creating the very catastrophe they were trying to avert. Jennings, an engineer, had both the time and intelligence to logically deconstruct his prophecies and give himself specific tools to avert them.
%%* ShootOutTheLock:
* SomedayThisWillComeInHandy: Inverted. Jennings was working from (temporary) foreknowledge of his own future, and after his memory wipe he has to figure out what is needed where.
* SpotTheImposter / TrustPassword: Maya fails at this by not knowing [[spoiler: Michael's favorite baseball team.]]
* TwentyMinutesIntoTheFuture: set between 2004-2007, a few years after the film's 2003 release. Deliberately in contrast to Dick's original 1953 short story, which depicted a much more distant (and near-dystopian) future with many more obvious sci-fi elements.
* UnusuallyUninterestingSight: Michael and Rachael sneak into a chemistry lab at a high school to use the microscope to examine a clue. When they're leaving, there are kids all over the hallways. No one seems to notice or care that there are two adults wandering the hall, while school is in session, that no one there knows...
* ViewerFriendlyInterface: Every computer in this movie.
%%* WealthyEverAfter
* WithThisHerring: Jennings begins his quest with odds and ends. They come in handy but the trope is still valid.
* YouWillKnowWhatToDo: Pulled off artfully in the movie (he gets twenty of these), but with a bit more flair in the short story.