The Sinner

Part I

An unassuming housewife stabs a beachgoer to death, which sparks an investigation and creates confusion in a small town.

Part II

Cora tries to block Ambrose's continuing investigation, while Mason struggles to come to terms with secrets from Cora's past.

Part III

Ambrose unearths a startling secret about Cora that changes the course of the investigation; Mason takes matters into his own hands.

Part IV

With Ambrose's help, Cora struggles to recover missing memories, which lead Ambrose to a new suspect.

Part V

After a body is discovered in the woods, the investigation into Cora's past deepens.

Part VI

When Ambrose begins to waver, Cora convinces him to take a risk for the case.

Part VII

Cora finally remembers the night in question.

Part VIII

Cora's fate is determined.

Part I

A troubled detective returns to his hometown to investigate why a young boy would kill his parents.

Part II

Ambrose and Heather begin to unravel where Julian is from. Julian is thrust into a new world.

Part III

Heather makes a startling realization about Marin. Vera and Julian are dealt a hard blow.

Part IV

Ambrose returns to Mosswood to confront Vera about the commune's work.

Part V

As Ambrose zeroes in on a new suspect, a rift develops between him and Heather.

Part VI

Vera reveals Mosswood's past to Ambrose, leading to a turn in Julian's case.

Part VII

Heather and Ambrose search for Julian.

Part VIII

Heather and Ambrose continue their search for Julian as Marin’s past is unraveled.

Part I

Detective Ambrose investigates a tragic yet suspicious car accident on the outskirts of Dorchester.

Part II

Ambrose looks into Jamie and Nick's relationship before the crash. Jamie begins to unravel.

Part III

Ambrose investigates Jamie's past. Leela gives birth as Jamie's anxiety reaches a breaking point.

Part IV

Ambrose pursues Jamie through New York City and tries to prevent another homicide.

Part VI

Jamie pays Sonya a surprise visit. Ambrose goes to extreme lengths to get a confession.

Part VII

After a major turn in the case, Ambrose's tactics are scrutinized.

Part VIII

Jamie seeks vengeance, putting him on a collision course with Ambrose.

Part I

Ambrose visits the town of Clark Harbor for a getaway and finds himself at the center of a tragedy.

Part II

A new suspect leads the investigation into an ongoing feud between the Lams and the Muldoons.

Part III

Part IV

Part V

Ambrose discovers the source of Percy's ritualistic practices and dives deeper into her past.

Part VI

A shocking new crime further rattles the town of Clark Harbor; Ambrose and Meg team together.

Part VII

Unsure whom to trust, Ambrose hunts down his pursuers.

Part VIII

Ambrose exposes the secret that threw Percy's life off course, setting off widespread consequences.