Part I (Season 1)

"Part I" is the first episode of the first season of The Sinner. It is the first episode of the series overall. It premiered on August 2, 2017. It was written by Derek Simonds and directed by Antonio Campos.

Synopsis
During an afternoon at the beach, a woman is consumed by a fit of rage and stabs a stranger to death, sending shockwaves through her small town.

Cast

 * Bill Pullman as Detective Harry Ambrose
 * Jessica Biel as Cora Tannetti
 * Christopher Abbott as Mason Tannetti
 * Dohn Norwood as Detective Dan Leroy
 * Abby Miller as Sergeant Caitlin Sullivan