Posing as unemployed musicians,Roy Acuff (Roy Acuff) and his Smoky Mountain Boys (The Smoky Mountain Boys), are being helped by Ted Gibson (Bill Edwards), owner of the Harmony Inn in San Antonio, Texas. Gibson is impoverished because he keeps buying his kleptomaniac Uncle Zeke (Lloyd Corrigan)out of trouble, supports his Ma (Dorothy Vaughan), and Grandpa ('George Cleveland'). He wants to marry Jean Wallace (Lyn Thomas) , and doesn't know that Acuff and his musicians are traveling incognito for the radio show "Who Am I Helping?" If he guesses their identity, he wins $100,000.