2014: Troubled by anxiety and nightmares, Nora finds herself drawn to the sweeping beaches of Tenby, a place she's only been once before. Together with a local girl, she rents a beautiful townhouse and slowly begins to settle in to her new life. 1950: Teenager Chloe visits Tenby every summer. Every year is the same, until she meets a glamorous older boy. But on the night of their first date, Chloe comes to a realisation, the aftermath of which could haunt her forever.