September 21, 1864. Corcoran receives a lead on a figure from his past who may have information about the loss of his family. What he learns does little to ease his mind and only raises more questions. Meanwhile, Annie Reilly's pursuers become brutally violent in their search for the child, forcing Corcoran and his team to come up with a plan for her safety. In the mansions of Uptown New York, Robert Morehouse strives to please his father, Norbert, who wishes to purchase the entire Five Points.