chunk: Marla overdoses on pills and telephones the Narrator for help; he ignores her, but Tyler answers the call and saves her. Tyler and Marla become sexually involved, and Tyler warns the Narrator never to talk to Marla about him. More fight clubs form across the country and, under Tyler's leadership, they become the anti-materialist and anti-corporate organization called "Project Mayhem." The Narrator complains to Tyler that he wants to be more involved in the organization, but then Tyler suddenly disappears. When a member of Project Mayhem is killed by the police during a botched sabotage operation, the Narrator tries to shut down the project, and follows evidence of Tyler's national travels to track him down. In one city, a Project member greets the Narrator as Tyler Durden. The Narrator calls Marla from his hotel room and discovers that Marla also believes him to be Tyler. He suddenly sees Tyler in his room, and Tyler reveals that they are dissociated personalities in the same body.