The Sinner — Season 1, Episode 3: Part III

Episode synopsis

Ambrose unearths a startling secret about Cora that changes the course of the investigation; Mason takes matters into his own hands.

About The Sinner

In a small New York town, a haunted detective hunts for answers about perplexing crimes while wrestling with his own demons.

More episodes from Season 1

• E1Part I
• E2Part II
• E4Part IV
• E5Part V
• E6Part VI
• E7Part VII
• E8Part VIII