Kreizler confronts the demons of his past. Moore tells Sara the truth. Connor takes matters into his own hands. The team closes in on the killer as time is running out.

Kreizler mourns the loss of a friend. Sara pushes the team to forge ahead. Moore warns his friend the killer will strike again. Cyrus seeks revenge.

Kreizler and Moore travel to Washington D.C., Sara goes rogue in pursuit of the truth. Lucius tells Marcus a secret. Byrnes and Connor tighten their grip on the investigation.

Kreizler and Moore follow a lead. Sara visits a hospital and is forced to confront her past. Cyrus, Kreizler’s carriage driver, recovers from his injuries. Byrnes and Connor plot against the team.

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.

The team learns more about the killer. Moore and Sara share an intimate moment. Kreizler seeks advice from an old mentor. Roosevelt takes action.

Kreizler and Sara discuss the capacity to kill. Moore goes on a date. Byrnes and Captain Connor keep an eye on a potential suspect. Roosevelt finds himself under public scrutiny.

Innovative evidence leads the team to discover a crucial element in the case is 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.

Sara finds a clue and Kreizler tries to connect the evidence left behind by the serial killer. Kreizler takes Moore, Sara, Marcus and Lucius to Delmonico’s in New York and informs them they’re working together to catch the killer.

A young boy prostitute is butchered on the Williamsburg Bridge, alienist Laszlo Kreizler, newspaper illustrator John Moore, secretary Sara Howard & police commissioner Theodore Roosevelt investigate outside the law to find a serial killer.

In the wake of the Beck Brothers, John reshuffles the political decks. Beth finds a trespasser on the ranch and learns that he may have big ambitions for the surrounding land. John helps Tate deal with his nightmares.

Eight years on, Vic McQueen receives shocking news about Charlie Manx. Maggie consults her tiles at great risk. Bing hunts down the Wraith, but hits a roadblock. Millie Manx discovers a new aspect of Christmasland.

A wedding alters Kevin and Kiesha’s lives. Emmett juggles his business and his growing family. Ronnie struggles to find his way. Jake’s estranged brother Trig lands back in town on a mission.

Pauly and Vinny attempt to make amends with their exes. The prank war champions continue their reign when they make the new guys their next target. A one night stand sparks drama in the suite.

Joe is travelling in Europe when he is approached by a Russian agent, who says he can identify a mole within the CIA in exchange for protection. Joe begins to realise that escaping his old life may be impossible.