Acrobat Eddie Marsh is in the army now. His first act is to become friendly with Kathryn Jones, the colonel's pretty daughter. Their romance hits a few snags, including disapproval from her father. Eddie's also plagued by fear of having an accident during his family's trapeze act in the army variety show, which also features a gallery of MGM stars.

Lovely Linda Mason has crooner Jim Hardy head over heels, but suave stepper Ted Hanover wants her for his new dance partner after fickle Lila Dixon gives him the brush. Jim's supper club, Holiday Inn, is the setting for the chase by Hanover and his manager.

Dixieland cornetist Red Nichols runs into opposition to his sound, but breaks through to success. He marries a warm, patient woman and even finds time to raise a family. Then tragedy strikes when their daughter contracts polio.

Journalist Marion Hargrove enters the Army intending to supplement his income by writing about his training experiences. He muddles through basic training at Fort Bragg with the self-serving help of a couple of buddies intent on cutting themselves in on that extra income.

A young woman (Janet Leigh) leaves her small hometown in Vermont and travels to New York City with hopes of becoming a Broadway star.

An unsophisticated farm girl enrolls in college and stars in the campus musical.

An elderly schoolmarm makes a hit in New York after a bandleader jazzes up her corny song.

In a nightclub setting, Bob Crosby and His Orchestra play five numbers, as young couples dance in front of the bandstand, in contrasting styles ranging from Dixieland to Blues to Ragtime Pop to Swing: "How'dja Like to Love Me?", "Pagan Love Song", "Moments Like This", "Romance in the Dark" and one of the group's best-known recordings, "The South Rampart Street Blues." The featured vocalist if Kay Weber and the drummer is Ray Bauduc.

A teenage fan sets out to boost her favorite radio singer's career. Comedy with songs.

Having to leave Melbourne in a hurry to avoid various marriage proposals, two song-and-dance men sign on for work as divers. This takes them to an idyllic island on the way to Bali where they vie with each other for the favours of Princess Lala. The hazardous dive produces a chest of priceless jewels which arouses the less romantic interest of some shady locals.