Assaulted by outlaws, donkey-riding Rosie joins a silent drifter's search for gold in the Old West.

In a boorish future, the government sponsors a popular, but bloody, cross-country race in which points are scored by mowing down pedestrians. Five teams, each comprised of a male and female, compete using cars equipped with deadly weapons. Frankenstein, the mysterious returning champion, has become America's hero, but this time he has a passenger from the underground resistance.