The story—in which an American heiress on holiday in South America falls in love with an Argentine horse breeder against the wishes of their families—takes a backseat to the spectacular location shooting and parade of extravagant musical numbers, which include the larger-than-life Carmen Miranda singing the hit “South American Way” and a showstopping dance routine by the always amazing Nicholas Brothers.
Madcap couple George and Marion Kerby are killed in an automobile accident. They return as ghosts to try and liven up the regimented lifestyle of their friend and bank president, Cosmo Topper. When Topper starts to live it up, it strains relations with his stuffy wife.
Jay Rountree, a young, rising businessman and a son of a wealthy manufacturer gets caught up in a web involving an escort service or 'party girls' and trapped into an unhappy marriage.
Two soldiers on leave spend three nights at a club offering free of charge food, dancing, and entertainment for servicemen on their way overseas. Club founders Bette Davis and John Garfield give talks on the history of the place.
The vaudeville act of Harriet and Queenie Mahoney comes to Broadway, where their friend Eddie Kerns needs them for his number in one of Francis Zanfield's shows. When Eddie meets Queenie, he soon falls in love with her—but she is already being courted by Jock Warriner, a member of New York high society. Queenie eventually recognizes that, to Jock, she is nothing more than a toy, and that Eddie is in love with her.
When a barnstorming stunt pilot decides to join the air corps, his two goofball assistants decide to go with him. Since the two are Abbott & Costello, the air corps doesn't know what it's in for.