When Johnny is released from prison following a forgery charge, he quickly lands a job as a short-order cook at a New York diner. Following a brief fling with waitress Cora, Frankie develops an attraction for Cora’s friend and fellow waitress Frankie. While Frankie resists Johnny’s charms initially, she eventually relents when her best friend, Tim, persuades her to give Johnny a chance.

Elvis plays Johnny, a riverboat entertainer with a big gambling problem. Donna Douglas plays Johnny’s girl, Frankie. A fortune teller tells Johnny how he can change his luck. Enter a new lady luck played by Nancy Kovack and the cat fight begins.