In San Francisco, when a bookie is murdered by a protection racket syndicate, his bookie friend Dan Gannin and police lieutenant Barney Runson investigate.

Nice-guy bookie Dan Gannin plans to quit the racket; he's opening a new night club with his torch-singing sister as main attraction. But Dan's best friend Hal runs afoul of "protection" crooks, and Dan goes after them like a one-man police force despite the admonishments of Lt. Barney Runson. But there's one thing Dan didn't bargain on...—Rod Crawford <[email protected]>