Inseparable for a lifetime, café chain owner Theresa Wescott (Anna Maxwell Martin) and her school principal sister Helen Bardwell (Rachael Stirling) were living their dream as neighbors in a comfortable suburb. However, when a friend of their children goes missing-and the kids seem to know more than they're telling-the dream starts to give way to nightmare. Disquieting thriller from Sophie Petzal ("Blood") co-stars Rhashan Stone, Peter McDonald, Ken Nwosu, Jonas Armstrong, Jodie McNee.4 episodes on 2 discs. 4 hrs. Widescreen; Soundtrack: English.