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.

In this musical comedy, a motley band of musicians have only their extreme poverty in common. They end up writing a hit and getting a recording contract. The trouble is, the composer's works are never played without another band member doctoring them up to make them swingier. Fortunately, the composer isn't too averse to the changes as he has just won the heart of the beauty who sings his revamped songs.

Jim "Lucky" Moore, an insurance salesman, comes up with a novel policy for his friend, Steve: a 'love insurance policy', that will pay out $1-million if Steve does not marry his fiancée, Cynthia. The upcoming marriage is jeopardized by Steve's ex-girlfriend, Mickey, and Cynthia's disapproving Aunt Kitty. The policy is underwritten by a nightclub owner, Roscoe, who sends two enforcers - Abbott and Costello - to ensure that the wedding occurs as planned.