Masked bandit Bimbo holds up a train carrying someone tougher… Betty Boop (with dog's ears), played by a different, deeper-voiced actress.
Four musical numbers plus a short comedy sketch. Harriet Lee sings "Sitting on a Log", multi-instrumentalist Frank Novak Jr. plays the accordion, clarinet, saxophone, and xylophone, Baby Rose Marie sings "You're Gonna Lose Your Gal", and Morton Downey sings "When Irish Eyes are Smiling" at the piano. Roy Atwell plays a radio announcer who keeps tripping over his words.
Host Harry Rose mixes a "cocktail" of musical acts.
