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.

A Shogun who grew paranoid as he became senile sent his ninjas to kill his samurai. They failed but did kill the samurai’s wife. The samurai swore to avenge the death of his wife and roams the countryside with his toddler son in search of vengeance.

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.