An impressionable teenage girl from a dead-end town and her older greaser boyfriend embark on a killing spree in the South Dakota badlands.

After learning that her brother has been murdered, biker Dag sets out on the road with two close friends to find the killer. As they travel, they encounter various people…

A group of crazy bikers meet up with a group of drug-addicted hippies in a small town, but the two roving factions are soon at odds with one another and…

Gang of bikers try to save people in a mining disaster.