The Sinner is an American crime drama mystery television series, based on the novel of the same name by Petra Hammesfahr. The series was ordered on January 17, 2017, and the eight episodes were broadcast on USA Network between August 2 and September 20, 2017. In March 2018, the series was renewed for a second season of eight episodes, which is set to premiere on August 1, 2018.
The series follows Cora, a young mother, who lives a quiet life with her husband, Mason. Their lives are torn apart after the events of a beach outing, where she brutally kills a man in public and at first seems to have no idea why she did so. Assigned to the case, Detective Harry Ambrose delves into Cora’s past to find shocking secrets and emotional trauma.