In Texas during World War II, most of the able-bodied men of military age are away fighting for the United States. A gang of cattle rustlers, led by Henry Judson and Lefty Lewis, decide to take advantage of the situation by stealing from rancher Dad Mathews and other cattle farmers. Texas Ranger Johnny Revere and his sidekick Frog Millhouse arrive to handel the situation. With some help from Mathews' daughter, Betty, they manage to win in the end.