Virtuoso storyteller Helen Dunmore returns with a thrilling Cold War espionage tale in which the closest ties are called into question and nobody is quite who they seem. It's London, 1960. The Cold War is at its height, and a spy may be a friend or neighbor, colleague or lover. Two colleagues, Giles Holloway and Simon Callington, face a terrible dilemma over a missing top-secret file. At the end of a suburban garden, in the pouring rain, Simon's wife, Lily, buries a briefcase containing the file deep in the earth. She believes that in doing so she is protecting her family. What she will learn is that no one is immune from betrayal or the devastating consequences of exposure.