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.

Eddie is a Vietnam veteran who loses his arms and legs when he steps on a land mine, but a brilliant surgeon is able to attach new limbs. Unfortunately, an insanely jealous assistant (who has fallen in love with Eddie's fiancée) switches Eddie's DNA injections, transforming him into a gigantic killer.