Episode 1
Part I
An unassuming housewife stabs a beachgoer to death, which sparks an investigation and creates confusion in a small town.
TV series
The Sinner
2017TV-MA4 seasons7.5 / 10
Her sins will drown them all.
In a small New York town, a haunted detective hunts for answers about perplexing crimes while wrestling with his own demons.
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Where to watch in United States
Checked Jul 22, 2026
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Synopsis
In a small New York town, a haunted detective hunts for answers about perplexing crimes while wrestling with his own demons.
Season 1 episodes
Watch options above are for the show and may vary by season or episode.
Episode 2
Part II
Cora tries to block Ambrose's continuing investigation, while Mason struggles to come to terms with secrets from Cora's past.
Episode 3
Part III
Ambrose unearths a startling secret about Cora that changes the course of the investigation; Mason takes matters into his own hands.
Episode 4
Part IV
With Ambrose's help, Cora struggles to recover missing memories, which lead Ambrose to a new suspect.
Episode 5
Part V
After a body is discovered in the woods, the investigation into Cora's past deepens.
Episode 6
Part VI
When Ambrose begins to waver, Cora convinces him to take a risk for the case.
Episode 7
Part VII
Cora finally remembers the night in question.
Episode 8
Part VIII
Cora's fate is determined.
Episode information updated Jul 22, 2026
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