When a group of friends take their mates to a beautiful cabin on Lake Totonka, they're hoping for an unforgettable weekend. Unfortunately for them, that's just what deranged plastic surgeon Dr. Chopper has in mind, too! On the lookout for spare body parts to keep their broken-down bodies alive, the insane doctor and his staff of knife-wielding nurses patrol the woods on motorcycles, waiting for fresh meat to wander by. …