Eddie Burke is a wise-guy pugilist whose talent is unevenly matched by his ego. Despite his character flaws, Eddie knows the meaning of loyalty. When his manager Doc Williams is offered the opportunity to stage a match at Madison Square Garden, but only if he gets rid of his stable of fighters, Eddie fabricates an alibi and stages a walkout on Doc.

When his father is murdered, erstwhile conman Nick Darrow asks the cops if he can go undercover to find the killers, and maybe even stop a crime ring that has been plaguing the police. The sister of another innocent victim joins him as they infiltrate the syndicate. Any wrong move could lead to instant death.