When a gargoyle falls off a church during a storm, a scientist and his assistant take it back to their lab, where they are doing genetic experiments. However, the gargoyle is possessed by an evil spirit and starts to interfere in their experiments.
Hick handymen Val McKee and Earl Bassett can barely eke out a living in the Nevada hamlet of Perfection, so they decide to leave town -- despite an admonition from a shapely seismology coed who's picking up odd readings on her equipment.
Lyon Gaultier is a deserter in the Foreign Legion arriving in the USA entirely hard up. He finds his brother between life and death and his sister-in-law without the money needed to heal her husband and to maintain her child.
Scrooge McDuck, his dimwitted pilot Launch Pad, and his newphews Huey, Dewey and Louie, with Webby, arrive in Egypt where Scrooge finds the lost treasure of Collie Baba, unbeknownst to Scrooge, a magic lamp was included inside the treasure, so while the nephews have fun with the genie, they all have no idea that they're being stalked by a power hungry sorceror named Murlock and his dimwitted thief.