Johnny Mack Brown, operating out of the Marshal's office, poses as a band bandit and stage robber, aided by his friend, stage driver Clancy, in order to learn the identity of a gang that has been pulling off stagecoach and bank robberies. The gang is headed by widowed ranch owner Ma Posey and includes Blackie Marshall, Deuce Logan, Tad and a traveling bank examiner, Fleming, who tips the gang off on money movement.
—Les Adams <longhorn1939@suddenlink.net>