A group of renegade San Francisco law enforcers are using policing methods which even hardened Detective Harry Callahan considers to be beyond the pale. As drugs bosses, pimps and other street low-life drop like flies, Callahan is assigned to track down the loose cannon cops who have decided to take the law into their own hands.

The sequel to Dirty Harry, with a script co-written by a young Michael Cimino (director of 'The Deer Hunter' and 'Heaven's Gate').