The Sinner Season 1 Episode 4 #Part IV <br />Play The Sinner Part IV:: http://tvepisodes.website/tv/39852-1-4/the-sinner.html <br />The Sinner Episode 4 : Part IV <br />Air date: 23 August 2017 <br /> <br /> <br /> <br />Cora tries to recover missing memories with Ambrose's help; Ambrose discovers a new suspect.
