Cuban Bandleader Ricky Ricardo would be happy if his wife Lucy would just be a housewife. Instead she tries constantly to perform at the Tropicana where he works, and make life comically frantic in the apartment building they share with landlords Fred and Ethel Mertz, who also happen to be their best friends.

A neurotic editor sees a psychoanalyst about the advertising man, movie star and other man in her life.

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.