The Marx Brothers take on high society. Two lovers who are both in opera are prevented from being together by the man's lack of acceptance as an operatic tenor. Pulling several typical Marx Brothers' stunts, they arrange for the normal tenor to be absent so that the young lover can get his chance.

A vet posing as a doctor, a race horse owner and his friends struggle to help keep a sanitarium open with the help of a misfit racehorse.

The small state of Freedonia is in a financial mess, borrowing a huge sum of cash from wealthy widow Mrs. Teasdale. She insists on replacing the current president with crazy Rufus T. Firefly and mayhem erupts. To make matters worse, the neighboring state sends inept spies Chicolini and Pinky to obtain top secret information, creating even more chaos!