A teenager finds her wayward sister running with thieves in San Francisco.

The Black Rebels Motorcycle Club ride into the small California town of Wrightsville, eager to raise hell. Brooding gang leader Johnny Strabler takes a liking to Kathie, the daughter of the local lawman, as another club rolls into town.

A Korean War vet returns to his job as a railroad engineer and becomes involved in a sordid affair with a co-worker's wife following a murder on a train.