 John Vickers has spent eight years hunting for the three men who murdered the woman he loved.He finds one, Woodson, and kills him in a gunfight, but not before learning that the other two men have joined the U.S. Cavalry.En route to North Dakota, where Vickers plans to join the men under the command of George Armstrong Custer to continue his search, he sees a sergeant named O'Hara physically manhandling a woman.