Five Points falls into a state of panic as a community safe haven is seized by one of the deadliest men in New York City. With both coppers and civilians at the mercy of a brilliant but unstable force, Detectives Kevin Corcoran and Andrew O'Brien, with Doctor Matthew Freeman and several coppers, race against time to restore peace to the Sixth Ward. As the coppers defend their home against an unrelenting foe, Francis Maguire sees an opportunity to settle a score with Corcoran.
Kevin Corcoran is an Irish immigrant policeman trying to keep the peace in the historical Five Points neighborhood in 1860s New York City while searching for information on the disappearance of his wife and passing of his daughter.
It explores the aftermath of the American Civil War as well as the social stratification involving New York's aristocracy and African American population.