In this classic western, secret agent Randolph Scott plays the ever present good guy in search of the bad to rid the town of danger. His plans are to bring the Reno Brothers gang to justice once and for all. He goes undercover as a train robber in order to become a member of this infamous gang of crooks. Once inside, the situation takes an unexpected turn when he falls for their sister and takes a liking to Forrest Tucker, their leader. As if things couldn't get any more complex, he soon discovers the gang's sneaky way of getting around the law; "legal loopholes" and political bribery.