When a man calling himself "the Scorpio Killer" menaces San Francisco, tough-as-nails Police Inspector "Dirty" Harry Callahan is assigned to track down the crazed psychopath.
When a woman exacts deadly revenge on the aggressors who raped her and her sister ten years earlier, Inspector "Dirty" Harry Callahan is assigned to the case.
Inspector "Dirty" Harry Callahan reluctantly teams up with rookie Inspector Kate Moore to foil a terrorist organization made up of disgruntled Vietnam veterans.