Directed by James Wan, Saw (2004) follows two strangers who awaken chained inside a filthy industrial bathroom while becoming trapped in one of the deadly games created by the mysterious Jigsaw killer. Starring Cary Elwes, Leigh Whannell and Danny Glover, the film combines trap-based survival horror, serial-killer mystery and psychological manipulation within a confined single-location setting.

Från IMDB:
Two men awaken to find themselves on the opposite sides of a dead body, each with specific instructions to kill the other or face consequences. These two are the latest victims of the Jigsaw Killer.