Retired Colonel Marberry has welcomed Lieutenant Bart Benson, son of an old friend, onto his ranch. The colonel, near crippled, has let Benson all but take over his ranch. Now he has an idea that his daughter, Betty, might marry Lieutenant Benson. Betty has other ideas, as she does not trust Benson. Enter the Lone Ranger and Tonto, who have reason to believe Bart Benson may not be who he says he is.