Mr. Cheever's wisecracking nephew, Tommy (Frankie Avalon), comes to work at the bank, to discourage him from the position he really wants – a job in show business. Despite the fact that he's to get no special treatment, Mooney repeatedly sucks up to him. Lucy soon befriends the young Cheever, who impresses her with a song and dance. So Lucy sets out to break Tommy into show biz...