New York, 1803. The expanding city is rife with tension, and violence simmers on every street as black and Irish gangs fight for control. When a young girl is found brutally murdered, Marshal Justy Flanagan must find the killer before a mob takes the law into their own hands. Kerry O'Toole, Justy's friend and ally, decides to pursue her own inquiries into the girl's murder. When they each find their way into a shadowy community on the fringes of the city, Justy and Kerry encounter a treacherous web of political conspiracy and criminal enterprise. As events dangerously escalate, they must fight to save not only the city, but also themselves ...