The Alienist

The discovery of the mutilated corpse of a boy prostitute leads a psychologist to link the crime to the earlier murder of a child patient. He enlists the help of his college friend, a newspaper illustrator, to gather evidence in the case.

Kreizler looks for other victims of the serial killer. Sara brings in a vital clue. Kreizler treats Sara, Moore, Marcus and Lucius to Delmonico's and informs them they will be teaming up to catch the killer.

Use of the innovative new procedure of fingerprinting leads the team to discover crucial evidence is missing. Kreizler and Moore interview a witness to find out what happened to Moore at the brothel.

Sara and Kreizler posit on the ability to kill. Moore goes on a date. Byrnes and Connor eye potential suspects. Roosevelt is under scrutiny from the public.

The team build a profile for the killer. Moore and Sara share an intimate moment. Kreizler gets advice from an old mentor. Roosevelt finally takes action.

The team set a trap to catch the killer. Moore visits a friend. Kreizler is filled with self-doubt over the investigation. Roosevelt is part of an event with the city elite. Sara looks into Kreizler's past.

Kreizler and Moore follow a new lead. Sara visits a hospital which forces her to confront her past. Cyrus recovers from his injuries. Byrnes and Conner are plotting against the team. Marcus and Lucius follow a clue.

Kreizler and Moore travel to DC. Sara goes rogue in her pursuit of the truth. Lucius confides a secret to Marcus. Byrnes and Connor tighten their stranglehold on the investigation.

Kreizler mourns Mary's death while Sara pushes the team to forge ahead. Moore believes the killer is poised to strike again. Cyrus seeks revenge.

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

One year after The Alienist, with Sara Howard, now a private detective, seeking out Dr Kreizler's help in finding the kidnapped infant daughter of a visiting Spanish dignitary. Dr Kreizler reunites with Sara, John Moore and the rest of the original team, with their search for the missing child bringing them into contact with a mysterious woman with a murderous past who is connected to a notorious gang.

Sara uncovers a clue at the Siegel-Cooper department store that leads her into dangerous territory. Moore struggles to balance his personal and professional life as he investigates a link to New York's criminal underworld. Kreizler suspects dark goings-on at the Lying-In Hospital while former police chief Thomas Byrnes plots against their investigations.

Sara persuades a young nurse to disclose what happens behind closed doors. Meanwhile, Kreizler is convinced that hypnosis might unlock the traumatic memories of Señora Linares, and Moore introduces Sara to a well-connected friend to further the investigation.

The clock is ticking for the team to locate baby Ana. Meanwhile, Sara is worried about her young undercover detective Bitsy Sussman, and William Randolph Hearst hosts a lavish ball celebrating his goddaughter Violet's engagement to Moore.

The team is racing to find the killer responsible for murdering an employee at the Lying-In Hospital.

Sara and John continue to search for information about Libby. Kreizler is nearly ruined by a tragic accident. Sara and the team have to work with Thomas Byrnes to find a new missing child.

Sara, Kreizler, and Moore travel to Brooklyn in search of clues hidden in the killer's dark past.

Sara, Moore, and Kreizler struggle with decisions about their future paths.