Prizefighter Jimmy Nolan breaks his arm during a bout, and the injury ends his career. Trying to restart his life, he takes a job as a bouncer at Jerry Filmore's nightclub. The club's star attraction, beautiful dancer Adele Landon, catches Jimmy's eye immediately, and the feeling is mutual. Their budding romance is cut short when jealous Filmore frames Jimmy for stealing $500. After serving six months in prison for a crime he didn't commit, Jimmy is more than ready to settle some old scores. But what he discovers sends him reeling - his girl on the arm of the man who sent him up. With nothing to lose and in need of quick money, Jimmy decides to return to the ring for one last fight.