The townsfolk are set on lynching an accused killer held in the town lockup. But US Marshal Johnny Reno stands in their way.
An ex-gunfighter goes up against a man who is trying to stir up trouble with the Indians to enrich himself.
After Custer's defeat an army captain tries to warn a small town that the Sioux are coming. The inhabitants own two machine-guns but don't want to lend them to him.
