Left for dead in Vietnam, Lieutenant Cotter became a guinea pig for KGB baddie Mitovitch. Implanted with a mind control microchip, he is turned into a mindless killer. His colleague Lieutenant Sanders goes looking for him in Cambodia, then in El Salvador, where they kill pretty much everyone they meet.

Little Billy witnesses his parents being brutally murdered by Santa. When, years later, he has to fill in for an absent in-store Santa Claus, his traumas materialise once again.