The ghost of a serial killer, executed for murdering students at a Catholic girls' school, returns to the school to take revenge on the current student body.

A group of men are told that they have won an "erotic vacation" at a fantasy island. In reality, they are being lured to the island by women they have wronged, and once there they are captured and set loose on the island to be hunted down.

A motorcycle gang kidnaps a young woman, Josie, from a diner and brutally kills her. Many years later, the girl's father finds a magic crystal that can bring the life back to dead objects. He uses it to re-animate his daughter. He lets her seduce any young man that comes to visit the small town and then kills them. Four young students, two boys and two girls spend a vacation near the town, Hellgate. They hear about the story and get involved.