Universal cowboy star Rod Cameron plays Geoffrey, conductor of a high-toned symphony orchestra. Secretly harboring the desire to become a swingin' jazz trumpeter, Geoffrey takes a job at a "hot" Broadway nightclub. Here he meets and falls in love with café songstress Donna (Frances Raeburn), who has led her family to believe that she's studying for a classical-music career. Meanwhile, a comedy-relief romance develops between Geoffrey's snooty valet Chumley (Arthur Treacher) and Donna's best pal ...