Line #5 Main/PlotSensitiveLatch


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6	Locks usually function just fine, but sometimes they burst open without any obvious immediate cause. In media of course this happens because the plot demands it, though it is occasionally deliberately used by a ConMan. This is typically at an inconvenient or embarrassing time (they grabbed a suitcase identical to theirs but filled with sex toys, which bursts open as they run 15 minutes late to a flight). Sometimes handwaved by having the container stuffed with something (say, money) that presses from inside, but that doesn't account for the timing.
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8	Subtrope of PlotSensitiveItems and sister trope of PlotDrivenBreakdown; this can be reclosed immediately, though the contents may take some work. Not related to PlotLock, which is about being forced to progress through the plot in a desired order.
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10	----
11	!!Examples:
12	[[foldercontrol]]
13
14	[[folder:Anime & Manga]]
15	* At the beginning of the first ''Anime/EdenOfTheEast'' movie, Saki's suitcase bursts open as the cabbie manhandles it, spilling guns and ammo and ''grenades'' onto the ground -- not hers, but a setup by another character. How they got the suitcase to open at exactly the right time, though...
16	[[/folder]]
17
18	[[folder:Films -- Animation]]
19	* In ''WesternAnimation/MyLittlePonyEquestriaGirlsForgottenFriendship'', the door to the yearbook office somehow closes behind Trixie and locks itself, just so the joke of her botching her SmokeOut exit can be done.
20	[[/folder]]
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22	[[folder:Films -- Live-Action]]
23	* In ''Film/AvengersEndgame'' [[spoiler: the Hulk causes Tony to drop the briefcase containing the Tesseract. Despite being designed to hold an infinity stone it pops open and drops the Tesseract at Loki's feet, who immediately uses it to escape.]]
24	* In ''Film/LockStockAndTwoSmokingBarrels'', during the opening ChaseScene, Bacon's suitcase flies open in slow motion and all the money and valuable inside are scattered about.
25	* In ''Film/MeetTheParents'', Creator/BenStiller's suitcase gets lost in-flight. A suitcase is found matching the description and delivered to him (at the parents of his girlfriend). He attempts to open it but can't and leaves for the day, leaving his prospective father-in-law alone at the house. Being former CIA he opens it easily and finds it full of fetish and bondage gear and sex toys.
26	* At the end of ''Film/ItsAMadMadMadMadWorld'', the suit case carrying the money pops open, dumping the cash into a crowd of people.
27	* The plot of ''Film/DumbAndDumber'' revolves around a briefcase full of money that is accidentally intercepted by one of the duo. It's locked "really well", but nonetheless opens when the two get into a fight.
28	* At the end of ''Film/TheKilling'', the suitcase containing the money bursts open when it falls off the baggage cart when the cart swerves to avoid a dog.
29	* ''Film/CloudAtlas'': While being locked up tight, Adam's chest full of gold springs open when used to [[spoiler:[[KarmicDeath knock out Dr. Henry Goose]]]].
30	* Inverted in ''Film/GIJoeTheRiseOfCobra'' (a latch ''doesn't'' open when it should because plot). The Joes are tasked with protecting a briefcase containing high-tech warheads. The man who created them turns out to be Destro, and he designed the briefcase so that the code to unlock it also sends a signal with the case's location so that he's able to have Cobra steal it back, keeping his hands clean. Near the climax, Duke has been abducted by Cobra and gets his hands on the briefcase long enough to enter the code so that the other Joes can find him. This by all rights ''should'' have been accompanied by the briefcase popping open and spilling out the warheads, but it remains closed so that neither Cobra nor the audience knows the Joes are coming.
31	* ''Film/TheWolfOfWallStreet'': During a cash exchange, Donnie and Brad get into an argument; as Brad lunges at Donnie he trips over the briefcase full of cash, which pops open and reveals the contents just as a police car happens to turn the corner.
32	[[/folder]]
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34	[[folder:Gamebooks]]
35	* In the gamebooks ''Gamebook/GhostlyTowers'' and ''Gamebook/GhostTrain'', it sometimes happens that if you don't have the right key with you to unlock a door, the door then bursts open, and a ghost appears. Sometimes it also happens that a door which was previously unlocked is suddenly locked. In one case of this, you have to unlock a church door with a different key from the one that originally opened it.
36	[[/folder]]
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38	[[folder:Literature]]
39	* Lampshaded in ''Literature/TheLionTheWitchAndTheWardrobe'', when Father Christmas tells Mrs Beaver that he will drop a new sewing machine at her house for her. When Mrs Beaver tells him that it's all locked up, Father Christmas says that locks and bolts make no difference to him.
40	* Near the beginning of ''Literature/TheSilverChair'', Eustace and Jill are escaping from some bullies towards a door that is always locked, and of course it turns to be unlocked. Justified in that Aslan has magically caused this to happen, but they don't know it at the time.
41	* ''Literature/TheMeaningOfLiff'': PlayedForLaughs with the [[{{Neologism}} definition of the quick-release Adlestrop]], a suitcase feature that enables the case to pop open on airport conveyor belts and fling one's underwear into the gearing mechanism.
42	[[/folder]]
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44	[[folder:Live-Action TV]]
45	* ''Series/{{Lost}}'':
46	** Sawyer of uses it repeatedly as a con man, to the point of lampshading when we encounter an alternate universe where he's a cop.
47	** Hurley falls victim when his suitcase springs open, causing him to miss his flight out of Australia. So he rebooks on the next flight, flight 815.
48	* The Classic ''Series/DoctorWho'' story "Image of the Fendahl" has a part where the Doctor gets locked in a storeroom by skeptical victims of TheSiege (in order to prevent him solving the plot too early). He tries the Sonic Screwdriver on it and it doesn't work. The scene cuts to the other characters (some of them die), then to a scene with Leela assuring another character of the Doctor's "great gentleness" and [[DescriptionCut back to him tantruming at his screwdriver and kicking things in rage]]. Then, there's a sudden click at the door and the Doctor emerges to rejoin the plot, no explanation for who opened the door given. WordOfGod says that it was a delayed reaction to the Doctor's screwdriver, but the only onscreen implication of this is a short scene of the Doctor [[CargoShip kissing the screwdriver]], although this could have been a simple apology from him for mistreating it earlier. WordOfDante from Terrance Dicks says that it was a delayed reaction to the Doctor kicking the lock (something that doesn't seem to happen on television).
49	* A comedy briefcase with one of these was included in [[https://www.youtube.com/watch?v=86_OfbRoM1s the opening credits]] for the short-lived ''Creator/PaulLynde Show''.
50	* ''Series/TheFBI'': In "Image in a Cracked Mirror", an embezzler attempting to escape from Erskine throws the briefcase containing the stolen money off a train, planning to jump after it. But he is grabbed by Erskine before he can jump, and the briefcase bursts open when it hits the ground and the money blows away in the wind.
51	[[/folder]]
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53	[[folder:Western Animation]]
54	* The ''WesternAnimation/SpongeBobSquarePants'' episode "Krabs Vs. Plankton". Mr. Krabs is sued by Plankton for slipping in the Krusty Krab, and his lawyer is indisposed, giving [=SpongeBob=] his briefcase, which he claims contains everything necessary to win the case. Unfortunately, the lawyer neglects to tell [=SpongeBob=] the combination to the lock, so he spends most of the trial struggling to open it. At the last possible moment, the briefcase opens, revealing [[spoiler:a Krabby Patty, which is used to lure Plankton out of his ruse and lose the trial.]]
55	[[/folder]]

Context Main / PlotSensitiveLatch