Desc: Lone Star Pioneers: Directed by Joseph Levering. With Bill Elliott, Dorothy Gulliver, Lee Shumway, Slim Whitaker. Wagon trains bringing supplies are being robbed and Marshal Pat Barrett has been sent to investigate. Posing as an outlaw he gets into Buck's gang. When the Ranger Captain sends for more troops, Buck's inside man brings the message to him. Buck then plans to substitute his men for the Rangers but he tells Pat and Pat rides off to try and warn the Ranger Captain.