The team hatches a plan to catch the killer. Moore checks in on a friend. Kreizler faces his own self-doubt about the investigation. Roosevelt attends an event with the city's elite. Sara looks into Kreizler's past. Connor acts on impulse.
Innovative evidence leads the team to discover a crucial element in the case has gone missing. Kreizler and Moore interview a witness to find out what happened to Moore at the Brothel. Sara attempts to live in a world outside the investigation. Kreizler challenges them to look within themselves.
The investigation heats up as Sara gets her hands on a clue and Kreizler tries to connect the evidence left behind by the serial killer. Tensions rise within the police department. Kreizler takes Moore, Sara, Marcus and Lucius to Delmonico's in New York and informs them they are going to be working together as a team to catch the killer.
The series premiere. A young boy prostitute is found butchered on an unfinished bridge, spurring an alienist, newspaper illustrator, secretary and police commissioner to begin an investigation outside the law to find the serial killer.