Nick Riley is a corrupt Los Angeles Police Department officer. He works as a hit man for Carl Nash. Nash is a retired detective and the leader of a ring of corrupt officers which includes Riley, Maureen O'Grady, Eddie Arceneaux and Bernardo Piccinini.
Riley carries out the murder of Tony Allen on orders from Nash. O'Grady pretends to have broken down in order to cause Allen to stop his car, while Riley hides nearby. As Allen approaches O'Grady, Riley steps out and shoots him in the back of the head.
Riley murders Arceneaux as an investigation begins to close in on him.