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.

Lin McAdam rides into town on the trail of Dutch Henry Brown, only to find himself in a shooting competition against him. McAdam wins the prize, a one-in-a-thousand Winchester rifle, but Dutch steals it and leaves town. McAdam follows, intent on settling his old quarrel, while the rifle keeps changing hands and touching a number of lives.

In 1947, four German judges who served on the bench during the Nazi regime face a military tribunal to answer charges of crimes against humanity. Chief Justice Haywood hears evidence and testimony not only from lead defendant Ernst Janning and his defense attorney Hans Rolfe, but also from the widow of a Nazi general, an idealistic U.S. Army captain and reluctant witness Irene Wallner.