Fight Club is a 1999 film directed by David Fincher that follows a nameless narrator who suffers from insomnia. He begins attending various support groups to find relief. There, he meets Marla Singer and Tyler Durden. The narrator befriends Tyler and they start an underground fighting club in the basement of a bar, which grows in popularity. Tyler then forms Project Mayhem to sabotage corporate America. The narrator eventually learns that Tyler is a hallucination and that he has dissociative identity disorder. He tries to stop Project Mayhem but discovers that the police are members. In a confrontation, the narrator shoots himself, causing Tyler's personality to disappear.