Episodes: Series - The Sinner S4 - 2021

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• episode #2
• episode #3
• episode #4
• episode #5
• episode #6
• episode #7
• episode #8

Ambrose goes on a vacation to the village of Clark Harbor and ends up in the middle of a disaster.

The investigation into the ongoing conflict between the Muldoons and the Lams is being led by a new suspect.

In his quest to discover more about Percy's origins, Ambrose travels to the mainland and discovers sinister family secrets.

Ambrose pushes Sonya to the edge as the Muldoons try to end the investigation.

Ambrose delves deeper into Percy's history and finds the cause of her ritualistic rituals.

Ambrose and Meg band together as a startling new crime shakes Clark Harbor even more.

Ambrose tracks down those pursuing him, uncertain of whom to believe.

Significant consequences follow when Ambrose reveals the fact which sent Percy's life off track.