Doughboys in Ireland

Petty con artists Slicker Smith and Herbie Brown mistakenly join the Army evading the cops. The cop chasing them winds up as their drill instructor. A rich young man and his former working class chauffeur are not only in the same unit, they're vying for a pretty girl who seems attracted to both.

Three eclectic, never-quite-famous folk bands come together for the first time in decades following the death of their manager to put on an reunion concert in his honor, at the request of his son.

Doctor Hugo Hackenbush, Tony, and Stuffy try and save Judy's sanitarium by winning a big race with a finicky horse owned by Judy's boyfriend Gil. There are a few problems. Hackenbush, who was recently put in charge of the sanitarium, isn't really a doctor, he's a veterinarian.

A by-the-book Captain is ordered to capture a strategic village in Italy. The Italian soldiers are willing to surrender, if they can have a festival first. The lieutenant convinces the Captain this is the only way. Because of aerial reconnaissance, they must look like they are fighting. To sort this out an intelligence officer is sent in. Meanwhile the festival gets complicated with the Mayors daughter.

Two former backup soul singers, Louis and Floyd, have not spoken to each other in 20 years, and reluctantly agree to travel across the country together to a reunion concert to honor their recently-deceased lead singer. Cleo, a beautiful young woman who is believed to be Floyd's daughter, accompanies them as a new singer.