Robert Mitchum plays a vengeful former sheriff who rides out in search of the man who killed his son. Along the way he takes in a wounded outlaw, who was abandoned by his partner after fleeing their assassination of a Mexican general. Together they ride to Lordsburg, where the hero becomes the lawman and continues his search. While there he falls in love with a beautiful dance-hall girl who lets him know that outlaws are gunning for him. One of them is the young man's former partner, leaving the fellow to decide which side of the law he wants to be on.