The Sinner

Season 4 2021
TV-MA

  • 2021-10-14T02:00:00Z on USA Network
  • 45m
  • 6h 22m (8 episodes)
  • United States
  • English
  • Drama, Crime
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.

8 episodes

Season Premiere

2021-10-14T02:00:00Z

4x01 Part I

Season Premiere

4x01 Part I

  • 2021-10-14T02:00:00Z54m

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

2021-10-21T02:00:00Z

4x02 Part II

4x02 Part II

  • 2021-10-21T02:00:00Z45m

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

2021-10-28T02:00:00Z

4x03 Part III

4x03 Part III

  • 2021-10-28T02:00:00Z45m

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

2021-11-04T02:00:00Z

4x04 Part IV

4x04 Part IV

  • 2021-11-04T02:00:00Z46m

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

2021-11-11T03:00:00Z

4x05 Part V

4x05 Part V

  • 2021-11-11T03:00:00Z47m

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

2021-11-18T03:00:00Z

4x06 Part VI

4x06 Part VI

  • 2021-11-18T03:00:00Z45m

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

2021-11-25T03:00:00Z

4x07 Part VII

4x07 Part VII

  • 2021-11-25T03:00:00Z43m

Unsure whom to trust, Ambrose hunts down his pursuers.

Season Finale

2021-12-02T03:00:00Z

4x08 Part VIII

Season Finale

4x08 Part VIII

  • 2021-12-02T03:00:00Z57m

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

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