Saw is a 2004 American psychological horror film directed by James Wan, in his feature directorial debut, and written by Leigh Whannell from a story by Wan and Whannell. It is the first installment in the Saw film series, and stars Whannell, Cary Elwes, Danny Glover, Monica Potter, Michael Emerson, Ken Leung, and Tobin Bell. The film tells a nonlinear narrative, revolving around the mystery of the Jigsaw Killer, who tests his victims' will to live by putting them through deadly "games" where they must inflict great physical pain upon themselves to survive. The frame story follows Jigsaw's latest victims (Whannell and Elwes), who awaken in a large dilapidated bathroom, with one being ordered to kill the other to save his own family.