← The Sinner

Season 4

8 episodes · 2021

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.

  1. 1

    Part I

    Oct 13, 202154 min★ 7.7

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

  2. 2

    Part II

    Oct 20, 202145 min★ 7.4

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

  3. 3

    Part III

    Oct 27, 202145 min★ 7.4

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

  4. 4

    Part IV

    Nov 3, 202146 min★ 7.4

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

  5. 5

    Part V

    Nov 10, 202147 min★ 7.1

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

  6. 6

    Part VI

    Nov 17, 202145 min★ 7.5

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

  7. 7

    Part VII

    Nov 24, 202143 min★ 7.8

    Unsure whom to trust, Ambrose hunts down his pursuers.

  8. 8

    Part VIII

    Dec 1, 202157 min★ 7.7

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