Mickey Rooney and Judy Garland, two of the great young stars of their day, team up in this musical comedy as a pair of high school students. Mary (Garland) works in the library after school, and Jimmy (Rooney) spends his free time practicing the drums. He wants to smack the skins in a
dance band, but his widowed mother yearns for him to become a doctor. Jimmy and a bunch of his pals form an orchestra with the intention of entering a contest sponsored by big band "King of Jazz" Paul Whiteman. The kids manage to scrape together the money for their trip to the coast, but when one
of them needs an emergency operation, Jimmy decides to pay for it and sacrifice his big c...