Lucas Davenport is called for an unusual case. The strangulation victim is one of the biggest models, and there are a few complications such as the drugs in her body.

Lieutenant Lucas Davenport, highly touted killer detective, invents intricate video games that he sells for cash. Called in to aid the Minneapolis team scrambling to stop a psychopathic serial woman-slayer, Lucas almost meets his match. The self-styled "mad dog" murderer views his rape/stabbings as a game as well, setting up obstacles for the police, carefully selecting his victims, and priding himself on clever moves.