Lady luck is always on his side. Tonight, she's on fire.

It is 1957. J.C. Cullen is a young man from a small town, with a talent for winning at craps, who leaves for the big city to work as a professional gambler. While there, he breaks the bank at a private craps game at the Gem Club, owned by George Cole, and falls in love with two women, one of them Cole's wife.