As a child, John watched his father murder a lover. Traumatized as an adult, his psychiatrist recommends that he sleep with his secretaries, but this awakens the most terrible memories in him and acts on him accordingly.

A recent widow has invited a group of family friends to her large and secluded country home. However, what the guests don't know is that the reason they've been assembled is that their host suspects one of them might be her husband's killer and she's intent on uncovering the identity of his murderer. As the guests begin to suspect each other, revealing long-kept and sinister secrets in the process, an unknown, black-gloved killer begins bumping them off in a variety of nasty ways.

Released from captivity in Vietnam, two American Army officers return to civilian life and discover they have acquired an insatiable taste for human flesh. A city is terrorised... as they stalk the inhabitants to satisfy their primitive appetites.

Three Vietnam vets have become so conditioned to violence that they have developed psychotic tendencies. They kidnap people, brutalize them, then turn them loose and hunt them like animals. However the father of one of their earlier victims is plotting a vicious revenge against them.