Cassidy Santino, watches a bullet rip the life from her brother and can do nothing to stop the vicious mob murder. Overflowing with a raging need for revenge, she dreams of making the killers pay. The problem is changing from a naïve, over-protected librarian to a woman who can dwell in the same Vegas nightclub that’s a hangout for the gang members. Her skills as a boxer, learned from years of fun sparring with her brother, helps somewhat. Now if only she can get that sweet fantasy, Detective Trace McGuire, to back off from his protective shadowing so she can put her plans in action. Detective Trace McGuire’s sick mom is breaking his heart and filling his spare time, he sure as hell doesn’t need another responsibility in his crazy busy world. Weirdly, Cassidy Santino has wormed her way into his head and won’t be shook loose. He knows as the new bartender at the Lipstick Club, she’s become invested in the seedy place and fears the underworld will eat her alive. Then he sees her fight and wonders if they’ll survive her.