I know who you were

Summary/Review: "Alex and Morven have a pretty perfect marriage. Still madly in love after ten years, they have no secrets from each other and their life in London with daughter Poppy is . . . happy. Until one day it changes. Morven disappears, her car found abandoned. The police come around to Alex's house to tell him things about his wife he never knew: her real name, her past life, the secrets she kept from him. And Alex realises he's been loving a lie. He needs answers . . . and on the shore of a dark and remote lake in Wales he learns that the tragic events which shaped the past now threaten to rip apart the present"--Publisher.