This is a novel about a woman. About a mother. About a marriage. About a murder. In a brightly lit public pool the killer swims and watches, unnoticed by his future victims. A gripping psychological drama for readers of }Before I Go To Sleep, The Silent Wife{ and }The Husband's Secret{. 'Yannick Murphy, while being one of our most daring and original writers, is first and foremost an exquisitely attuned observer of human' Dave Eggers.