Scene 1 - Geeky Brian builds a device that he hopes will make his bitchy stepsister Olivia act nicer towards him. Unfortunately, it has a few glitches. When he tests it out on Olivia, she becomes a horny zombie intent on sucking his cock and fucking. Brian tries to fend her off at first. Then he decides to make the most of his newly-acquired sex-slave.

Scene 2 - Rodney's friend is a brilliant young scientist who has mastered a special art. In return for a past favor, he helps Rodney to deal with his temperamental girlfriend by turning her into an obedient zombie. Rodney is delighted with the change. He gets to fuck his girlfriend whatever he way he wants, and never hears her complain. Later, two other zombified women are delivered to his house. They are his friend's mother and sister. Up in his bedroom, he enjoys a foursome with them and his girlfriend.