In 1927, a Kansas City, Missouri cornet player and his band perform nightly at a seedy speakeasy until a racketeer tries to extort them in exchange for protection.
Don Vincente is determined to make a success of himself and his band. He gets his break by performing at the Garden of the Moon, which is broadcast over the radio. The problem is that John Quinn is the club's ruthless, scheming manager who will do anything to keep Vincente under his thumb. John's assistant, Toni Blake, falls for Vincente, complicating the escalating war.
A young trumpeter rises through the jazz world and finds love.
