Gordon MacRae stars as Jack, and Dorothy Kirsten as Mary in the radio adaptation of the famous musical comedy, Mary. Mary Howells is secretary to the rich lady, Mrs Keene, and is in love with her son Jack. However, Jack seems completely unaware of her feelings and is set upon heading out to Kansas to build low-priced homes for young newlywed couples. Will he ever realise that he is in love with Mary? Will he be too late?