A stunt pilot comes across a prototype jetpack that gives him the ability to fly. However, evil forces of the world also want this jetpack at any cost.

This musical reworking of Too Many Husbands (1940), features Grable as a top singer and dancer who's been widowed by WW II. She marries her late husband's songwriting partner, Gower Champion, but the new marriage is thrown for a loop when Lemmon, her first husband, turns up very much alive and eager to see Grable.