Betty has a crush on her tennis instructor Mike. He promises to call her for a date, but never does – she doesn’t know he sells drugs on the side. After botching a deal on someone else’s turf, Mike has to disappear for a while. He contacts Betty – then he’s killed before they can meet. Betty tries to find out what happened, leading her straight into a hornet's nest of vice.
Gunner O'Hara is about to be released from prison after serving a five-year sentence, and receives a visit from his twin brother John, a divinity student soon to be ordained as a priest. Aware that Gunner plans to resume his criminal career, John decides to stop him.
Two talented song-and-dance men team up after the war to become one of the hottest acts in show business. In time they befriend and become romantically involved with the beautiful Haynes sisters who comprise a sister act.