When a wealthy socialite kills her husband, she claims self-defense. The cop assigned to the case is suspicious but becomes obsessed with the sensual young woman.
Two men and a woman circle the globe in a satellite armed with a nuclear device. The third world war breaks out, and a few months later the satellite crashes. They survive the crash but one man gets killed by survivors and the other man gets caught. The woman stays by the remains of the the satellite but is soon caught by evil punks who have taken power.
A Boston police detective investigates a series of gruesome decapitations of various college coeds, committed by a helmeted, black-leather clad serial killer.