Riders of the Frontier (1939)

The Rancho Grande a Texas border ranch cut off from the law by a gang of outlaws led by ranch foreman Bart Lane who is holding the elderly owner of the ranch Sarah Burton a prisoner Tex Lowery an undercover Texas Ranger rescues Martha Williams a nurse sent for by the ailing Sarah from a stagecoach holdup by Lanes henchmen He later convinces Laner that he is a wanted outlaw named Ed Carter and gains entry to Rancho Grande But the real Ed Carter shows up