The Alienist

A young boy is found murdered on the Williamsburg Bridge, prompting an unconventional investigation by alienist Laszlo Kreizler, illustrator John Moore, secretary Sara Howard, and Police Commissioner Theodore Roosevelt as they seek to uncover a serial killer operating in the city's shadows.

Sara discovers a clue that may be linked to the serial killer, prompting Kreizler to attempt connecting the evidence. He brings Moore, Sara, Marcus, and Lucius to Delmonico's in New York to announce that they will collaborate on the case.

New evidence prompts the team to reconsider a key missing piece of the case. Kreizler and Moore question a witness about Moore's experience at the brothel, while Sara tries to adjust to life beyond the investigation. Kreizler encourages the team to examine their own motivations and emotions.

Kreizler and Sara explore the psychological aspects of violence, while Moore attends a date. Byrnes and Captain Connor monitor a possible suspect, and Roosevelt faces increasing public attention.

The team uncovers new information about the killer's background and methods. Moore and Sara grow closer through a personal encounter, while Kreizler consults a former teacher for guidance. Meanwhile, Roosevelt begins taking steps to address the ongoing crisis.

The team devises a strategy to apprehend the killer while dealing with personal and professional challenges. Kreizler struggles with self-doubt, Sara investigates his background, and Connor makes an impulsive move. Meanwhile, Moore visits a friend and Roosevelt attends a social event with New York's upper class.

Kreizler and Moore pursue a new lead in their investigation. Meanwhile, Sara visits a hospital, where she is compelled to face personal history, and Cyrus, Kreizler's injured carriage driver, begins to recover. In the background, Byrnes and Connor conspire against the team.

Kreizler and Moore go to Washington D.C. to aid in the investigation, while Sara takes matters into her own hands to uncover the truth. Lucius reveals a personal secret to Marcus, and Byrnes and Connor increase their control over the case.

Kreizler grieves the death of a close associate, while Sara urges the team to continue their investigation. Moore cautions Kreizler that the killer is likely to act again, and Cyrus becomes determined to seek vengeance.

Kreizler grapples with personal trauma as the case intensifies. Moore reveals a significant secret to Sara, while Connor acts independently to advance their investigation. With the clock ticking, the team moves closer to capturing the killer.

In 1897 New York City, Sara Howard launches a groundbreaking private detective agency and teams up with Dr. Laszlo Kreizler, an esteemed alienist, and journalist John Moore to locate the kidnapped daughter of a Spanish diplomat.

Sara discovers a critical clue at Siegel Cooper Department Store, drawing her into a perilous investigation. Meanwhile, Moore grapples with the challenges of juggling his personal life and a case that connects to New York's organized crime.

Sara investigates the Lying-In Hospital by convincing a young nurse to reveal secrets kept hidden from the public. Meanwhile, Kreizler believes hypnosis could help recover repressed memories from Senora Linares.

The team races against time to find the missing baby Ana while Sara shows concern for her young undercover agent, Bitsy Sussman. Meanwhile, William Randolph Hearst throws an extravagant ball to celebrate his goddaughter Violet's engagement to Moore.

Following the brutal murder of a staff member at Lying-In Hospital, the team intensifies their investigation to track down the killer. Sara recruits Joanna to surveil their leading suspect, while she, Kreizler, and Moore work to connect the clues.

Sara and Moore revisit the killer's deserted home in hopes of uncovering new clues about the suspect. Meanwhile, Kreizler faces professional disaster following a tragic event at the Institute. Sara and her team are called in to help save another missing child.

Sara, Kreizler, and Moore go to Brooklyn to investigate new leads in their case. Meanwhile, Byrnes considers betraying the group as the killer's actions grow more erratic. Tension rises as Sara and Moore struggle with their growing emotional connection.

As Sara, Moore, and Kreizler confront uncertainty about their futures, New York City becomes a battleground in a desperate manhunt for a killer, forcing the team to navigate escalating tensions with both the police and a violent underworld gang.