A group of young and wild motocross racers venture through the desert and are stranded at an old mining ranch. They soon realize that they are being watched by a group of savage cannibals unknown to the civilized world. The film is full of flashbacks to the original film; even the dog has a flashback.

On the way to California, a family has the misfortune to have their car break down in an area closed to the public, and inhabited by violent savages ready to attack.

Only a few songs as Elvis plays it straight as Dr John Carpenter. Mary Tyler Moore stars opposite as an incognito nun with a mission to help Dr Elvis clean up the ghetto he lives in. Can the King compete against God for Mary’s heart?

Barbara Graham is a woman with dubious moral standards, often a guest in seedy bars. She has been sentenced for some petty crimes. Two men she knows murder an older woman. When they get caught they start to think that Barbara has helped the police arresting them. As a revenge they tell the police that Barbara is the murderer.

Tony Rome, a tough Miami PI living on a houseboat, is hired by a local millionaire to find jewelry stolen from his daughter, and in the process has several encounters with local hoods as well as the Miami Beach PD.