"The Sinner" is the 'police procedural' anthology limited TV series developed by Derek Simonds for USA Network adapting author Petra Hammesfahr's 1999 novel, starring Bill Pullman stars as police detective 'Harry Ambrose, with Season Four premiering October 13, 2021 on USA Network:
"...in Season One, 'Detective Harry Ambrose' delves into the past of 'Cora Tannetti', a troubled woman.
"In Season Two, Ambrose returns to his hometown after a young boy named 'Julian Walker' confesses to poisoning a couple and learns secrets the inhabitants are determined to keep buried.
"In Season Three Ambrose investigates a fatal car accident in Upstate New York and uncovers a much larger and disturbing case behind it.
"In upcoming Season Four, the now-retired Ambrose travels to northern Maine to recover from the previous case. But a tragedy occurs there involving the daughter of a prominent family, and he is recruited to help in the investigation...."
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