In 1978, a small town in Derbyshire, England is traumatised by the kidnapping of two young schoolgirls. One girl, Rachel, is later found unharmed but unable to remember anything except that her abductor was a woman.
Over thirty years later the mother of the still missing Sophie commits suicide. Superintendent Llewellyn, who was a young constable on the 1978 case, asks DI Francis Sadler and DC Connie Childs to look again at the kidnapping to see if modern police methods can discover something that the original team missed. However, Sadler is convinced that a more recent event triggered Yvonne Jenkins’s suicide.
Rachel, with the help of her formidable mother and grandmother, recovered from the kidnapping and has become a family genealogist. She remembers nothing of the abduction and is concerned that, after Yvonne Jenkins’s suicide, the national media will be pursuing her for a story once more. Days later, the discovery of one of her former teachers’ strangled body suggested a chain of events is being unleashed.
Rachel and the police must unpick the clues to discover what really happened all those years ago. But in doing so, they discover that the darkest secrets can be the ones closest to you.