The remains of a newborn baby wrapped in 1970s newspaper is found in a cottage condemned by coastal erosion. A nearby closed children's home, Greyvale, and interviewing the uncooperative former residents and staff leads Jane and Davey to three sisters; one of whom, Lisa Millar is missing. Lee Millar, the brother, another resident of the home, visiting from America, who knows more than he is admitting and has tried to protect his sisters lead Jane to mistakenly suspect incest.