View the first 8 minutes of this puzzling film in this clip.  Backward told film noir a. (We’ll stop being clever now.) A man rouses from a blow to the head to discover he can't remember anything. The man finds this disturbing because (a) he can't remember anything; and, (b) he needs to figure out who murdered his wife. Like we said, the story unfolds in reverse order, so don't miss the beginning. (Or is that the end?) official site DVD: IFC interview with director/writer Christopher Nolan; filmographies; theatrical trailers; TV spot; official website link; digitally mastered audio; widescreen format.