S1, E1: After 17 years away, Serena returns to her hometown where memories resurface of the affair she had as a teenager with her teacher, which was brought to an end by his brutal murder. Meanwhile, Poppy is released from prison and returns to the same town having served 17 years for that crime. Still vehemently denying her guilt, Poppy vows to track down Serena and find out what really happened on that fateful night.