Detective Constable Connie Childs is dragged from her bed to the fire-wrecked property on Cross Farm Lane. Three bodies discovered, a family obliterated, their deaths all seem to point to one conclusion – one mother, one murderer. But D.C. Childs realises it is the fourth body, the one they cannot find, that holds the key to the mystery. Her determination to unmask the murderer might cost her the thing she cares about most: her career.