1886, New York. A respectable architect shouldn't have a connection to the notorious gang of thieves and killers that rules the underbelly of the city. But when John Cross's son racks up an unfathomable gambling debt to Kent's Gents, Cross must use his inside knowledge of high society mansions and museums to craft a robbery even the smartest detectives won't solve.

With a new-found talent for sniffing out easy targets, Cross becomes invaluable to the gang. But his entire life has become a balancing act, and it will only take one mistake for it all to come crashing down ...