Learning About the Past - The Sinner
Watch The Sinner Season 4 Episode 3
"Part 3 (Season 4)"
Original Air Date:

On The Sinner Season 4 Episode 3, when Ambrose heads to the mainland to learn more about Percy's past, he ends up uncovering some dark family secrets.

An Ongoing Feud - The Sinner
Watch The Sinner Season 4 Episode 2
"Part 2 (Season 4)"
Original Air Date:

On The Sinner Season 4 Episode 2, a new suspect ends up leading the investigation straight into an ongoing feud between the Lams and the Muldoons.

The Middle of a Tragedy - The Sinner
Watch The Sinner Season 4 Episode 1
"Part 1 (Season 4)"
Original Air Date:

On The Sinner Season 4 Episode 1, Det. Lt. Harry Ambrose visits the town of Clark Harbor for a getaway and finds himself at the center of a tragedy.

The Search For Julian - The Sinner
Watch The Sinner Season 2 Episode 8
"Part Eight"
Original Air Date:

On The Sinner Season 2 Episode 8, Marin's past is unraveled while Heather and Ambrose continue their search for Julian on the season finale.

Searching For Julian - The Sinner
Watch The Sinner Season 2 Episode 7
"Part Seven"
Original Air Date:

On The Sinner Season 2 Episode 7, when Julian goes missing, Heather and Ambrose must continue their search for him in order to find answers.

Vera's Revelation - The Sinner
Watch The Sinner Season 2 Episode 6
"Part Six"
Original Air Date:

On The Sinner Season 2 Episode 6, Vera makes a revelation to Ambrose concerning Mosswood's past which ends up leading to a turn in Julian's case.

A New Suspect - The Sinner
Watch The Sinner Season 2 Episode 5
"Part Five"
Original Air Date:

On The Sinner Season 2 Episode 5, a rift develops between Ambrose and Heather as he continues his investigation and zeros in on a new suspect.

Ambrose Returns - The Sinner
Watch The Sinner Season 2 Episode 4
"Part Four"
Original Air Date:

On The Sinner Season 2 Episode 4, Ambrose finds he must return to Mosswood in order to confront Vera about the nature of the commune's work.

Uncovering Secrets - The Sinner
Watch The Sinner Season 2 Episode 3
"Part Three"
Original Air Date:

On The Sinner Season 2 Episode 3, Vera and Julian are dealt a difficult blow, while Heather come to a startling realization concerning Marin.

A Whole New World - The Sinner
Watch The Sinner Season 2 Episode 2
"Part Two"
Original Air Date:

On The Sinner Season 2 Episode 2, as Julian is thrust into a whole new world, Ambrose and Heather attempt to unravel where Julian came from.

The Sinner Quotes

Cora: No. I've never met him before.
Det. Leroy: Then why kill him?
Cora [sneers]: Because they were playing that music and they were turnin' it up.

Ron: You should go to the station.
Lorna: You need to eat something.