Denis Villeneuve's adaptation of Saramago is a paranoiac mood piece about identity, infidelity, and arachnophobia. Jake Gyllenhaal plays both leads with such subtle distinction that the audience is never quite sure which one is being followed — and the final shot has powered a decade of YouTube essays.
Villeneuve drowns Toronto in mustard-yellow dread and ends on an image that has spawned a thousand readings — none of which fully explain anything.
A history teacher discovers his exact double and unravels toward one of cinema's most terrifying final images. Villeneuve turns identity into a spider's web.