Season 4

The Sinner

8 episodes

Part I

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

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

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

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

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

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

Unsure whom to trust, Ambrose hunts down his pursuers.

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