A tense, gripping psychological thriller, with Hitchcockian overtones, perfect for fans of Gillian Flynn's GONE GIRL and Sophie Hannah. Lara Finch is living a lie. Everyone thinks she has a happy life in Cornwall, married to the devoted Sam, but in fact she is desperately bored.When she is offered a new job that involves commuting to London by sleeper train, she meets Guy and starts an illicit affair.But then Lara vanishes from the night train without a trace.Only her friend Iris disbelieves the official version of events, and sets out to find her.For Iris, it is the start of a voyage that will take her further than she's ever travelled and on to a trail of old crimes and dark secrets.For Lara, it is the end of a journey that started a long time ago.A journey she must finish, before it destroys her...