Married for ten years. Four children. She thought she knew her husband better than anyone.She was wrong. ‘Heart-poundingly suspenseful and heart-wrenchingly insightful’ J.P.Delaney, author of The Girl Before ‘This compulsive, clever thriller will have you reading long into the night’ Red****You get to work. Make a coffee. Turn on your computer.Your task: break into a Russian criminal's laptop and find proof that he's concealing five deep-cover agents - seemingly normal people living in plain sight.You’re in. Five faces stare back at you.One of them is your husband.****‘An immensely satisfying story with serpentine twists and turns’ Daily Mail