Crime writer Erica Falck is shocked to discover a Nazi medal among her late mother's possessions. Haunted by a childhood of neglect, she resolves to dig into her family's past to discover why. Her enquiries lead her to a retired history teacher, but her questions are met with evasive answers. Two days later he meets a violent death. Detective Patrik Hedström, Erica's husband, is on paternity leave but soon becomes embroiled in the murder investigation. Reluctantly Erica must read her mother's wartime diaries