Fred's Uncle Giggles fakes his death and pretends that he has left his fortune to Fred. In order to get the fortune, Fred is required to stay overnight at Giggles' haunted house where it appears that Fred nearly gets killed.

Fred and Barney are disappointed that their life is boring after watching a Jay Bondrock movie. Then, when sent to the store, Fred and Barney find themselves captured, flown to a distant island, beaten up, and almost killed by a mad scientist named Dr. Sinister.

A weird family named the Gruesomes move in next door to the Flintstones, whom Fred doesn't like.