The Sinner Season 2 Plot
Detective Harry Ambrose returns to his hometown in rural New York to assess an unsettling and heart wrenching crime: parents murdered by their eleven-year-old son, with no apparent motive. As Ambrose realizes there’s nothing ordinary about the boy or where he came from, the investigation pulls him into the hidden darkness of his hometown.
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Prices last updated September 25, 2026. Pricing and availability may vary by region.
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Season 2 Episodes
8 episodes
1
73
Part I
A troubled detective returns to his hometown to investigate why a young boy would kill his parents.
2
72
Part II
Ambrose and Heather begin to unravel where Julian is from. Julian is thrust into a new world.
3
72
Part III
Heather makes a startling realization about Marin. Vera and Julian are dealt a hard blow.
4
72
Part IV
Ambrose returns to Mosswood to confront Vera about the commune's work.
5
71
Part V
As Ambrose zeroes in on a new suspect, a rift develops between him and Heather.
6
65
Part VI
Vera reveals Mosswood's past to Ambrose, leading to a turn in Julian's case.
7
69
Part VII
Heather and Ambrose search for Julian.
8
68
Part VIII
Heather and Ambrose continue their search for Julian as Marin’s past is unraveled.