While serving in Vietnam, a demolitionist witnesses the brutal torture/rape/murder of a young woman… ultimately, he becomes a serial rapist and killer himself, preferring explosives as his murder weapon of choice.
A young girl and her brother take some friends on trip to check out a house the pair has just inherited. What they don't know is that the house is haunted by demons and the ghost of a woman who was burned at the stake as a witch, and who now plans to take revenge by killing off the siblings and their friends.
A photographer cruises Hollywood and takes pictures of young models he then strangles. Meanwhile, a woman who works in a porno bookstore in downtown L.A. takes it upon herself to kill off the local derelicts. Soon the two killers meet up with each other.