''Don't Look Back'', aka ''Ne Te Retourne Pas'', is a 2009 French arthouse film.

Jeanne, a married mother of two, starts noticing small changes to her surroundings. Each time something changes, everyone she asks says it has always been that way, leading Jeanne to wonder whether things really are changing or whether she's going crazy. Combining newly appearing clues with her inconsistent memories, Jeanne sets off on a QuestForIdentity to find out the truth.

Not to be confused with ''Dont Look Back'', the 1967 {{rockumentary}} about Music/BobDylan.
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!This film provides examples of:

* BodyHorror
* BrotherSisterIncest: Jeanne and Gianni have reason to suspect that they're related. Doesn't stop them for but a moment. [[spoiler:And it turns out they are.]]
* DualityMotif: The characters' appearances slowly change over the course of the movie. Characters who are midway through their transformations often have mismatched eyes.
* LossOfIdentity: The changes lead Jeanne to start wondering if her life is actually real or if she's actually insane.
* QuestForIdentity
* PsychologicalHorror: Is the world changing and you're the only one to notice, or have you gone mad and you're the only one ''not'' to notice?
* ScarsAreForever: Jeanne starts with a prominent scar on her leg from a childhood car accident, but it disappears as her transformation progresses.
* ThroughTheEyesOfMadness
* TraumaInducedAmnesia: Jeanne can't remember anything about her life before a traumatic car crash when she was eight years old.
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