"The Sinner" follows a young mother who, when on a day trip with her husband and son, commits a startling act of violence and, to her horror, has no idea why.
An unassuming housewife violently stabs a beachgoer to death sparking an investigation by local police and sudden confusion in a small town.
Cora tries to block Ambrose's continuing investigation, while Mason struggles to come to terms with secrets from Cora's past.
Ambrose unearths a startling secret about Cora that changes the course of the investigation; Mason takes matters into his own hands.
With Ambrose's help, Cora struggles to recover missing memories, which lead Ambrose to a new suspect.
The discovery of a body in the woods leads to more questions for everyone.
As Ambrose begins to waver, Cora convinces him to take his greatest risk yet for the case.
Cora journeys into the past, finally remembering the night in question.
Cora's fate is determined in the Season Finale of "The Sinner."
The Sinner Season 1 Trailer
Get an early look at the new series THE SINNER, starring Jessica Biel and Bill Pullman.
The Sinner Interview: Jessica Biel
Go behind the scenes of THE SINNER with Jessica Biel and get the scoop on the exciting new limited series.
The Sinner Interview: Bill Pullman
Go behind the scenes of THE SINNER with Bill Pullman and get the scoop on the exciting new limited series.