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 deep into her family's past and finally uncover the reasons why. Her inquiries lead her to the home of a retired history teacher. He was among her mother's circle of friends during the Second World War but her questions are met with bizarre and evasive answers. Two days later he meets a violent death.