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.
Inspector "Dirty" Harry Callahan pursues a conspiracy of vigilante cops, who are not above going beyond the law to kill San Francisco's undesirables.
Inspector "Dirty" Harry Callahan reluctantly teams up with rookie Inspector Kate Moore to foil a terrorist organization made up of disgruntled Vietnam veterans.
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 must stop a sick secret contest to murder various San Francisco celebrities, with himself being one of the targets.