Guy in a pickup truck kidnaps 5 women off the street, intending to make them his sex slaves.

A crazed doctor, who has already murdered a man, finds Dr. Jekyll's diary and mixes up Jekyll's formula. He mixes up a batch of the potion, turns into the Jekyll monster and begins to stalk, rape and murder women.

A religious fanatic murders people who are engaging in sex.

A young couple on a European vacation get mixed up with a countess and a hunchbacked servant at a castle where black masses are held.