A cop (Nielsen) who finds out that he has a terminal illness, sets out to kill a racketeer (Danton) who had been his quarry for the last year and a half.

A trio of violent prison escapees leaves a trail of blood by murdering or crippling everyone they see.

A team of angry fathers, who are fed up with crime in their neighborhood, take a vigilante approach at solving the problem. During one of their rampages, a police informant is killed.

While a psychopathic killer uses San Francisco hi-rises as target practice, Stone and Keller have to contend with a new Captain who immediately countermands everything they do.