Two-part psychological thriller based on the novel by Erin Kelly. Karen Clarke is a woman haunted by tragic events from her past. Flashbacks reveal how Karen entered the extraordinary world of Biba Capel and Rex Capel, while in the present day she is living in Dungeness with Rex, recently released from prison, and their daughter Alice. Karen finds herself being stalked by a mysterious stranger and is desperate to protect her family. With MyAnna Buring, Ophelia Lovibond, and Matthew Goode.