8 episodes

The Sinner - Season 4

First aired Oct 13, 2021Season 4

Still reeling from the trauma of a previous case a year ago, the now-retired Harry Ambrose travels to Hanover Island in northern Maine for a recuperative getaway with his partner Sonya, but when an unexpected tragedy occurs involving Percy Muldoon, the daughter of a prominent island family, Ambrose is recruited to help the investigation, only to be thrown into a mystery of mounting paranoia that will turn this sleepy tourist island, and Ambrose’s life, upside down.

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Community reviews for The Sinner, shown here with its season details.

Gustavo SANTIAGO

Nov 20, 2017

8.0

A very solid story, that catches every minute waiting for the truth. The detail of each stage makes it worthwhile that the story is prolonged in so many chapters.

Episodes

Episode 1

Part I

6.8

Oct 13, 202154 min26 votes

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

Episode 2

Part II

7.5

Oct 20, 202145 min20 votes

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

Episode 3

Part III

7.4

Oct 27, 202145 min20 votes

Ambrose heads to the mainland to learn more about Percy's past and uncovers dark family secrets.

Episode 4

Part IV

7.5

Nov 3, 202146 min20 votes

When the Muldoons push to close the investigation, Ambrose refuses, pushing Sonya to the brink.

Episode 5

Part V

7.8

Nov 10, 202147 min20 votes

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

Episode 6

Part VI

7.9

Nov 17, 202145 min19 votes

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

Episode 7

Part VII

7.9

Nov 24, 202143 min18 votes

Unsure whom to trust, Ambrose hunts down his pursuers.

Episode 8

Part VIII

7.7

Dec 1, 202157 min19 votes

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