Lena is busy caring for her young daughter, taking care of her husband, who has a high-ranking military job and editing a magazine. The last thins she has time to do is play Nancy Drew, but when a good friend’s death is marked as suicide, Lena knows she must intervene. She knows her friend would never have killed himself, and her research proves her right; pointing her back to a decades old serial killer. The case should be ice-cold, but then someone else Lena knows is murdered and it becomes clear that the murders are a warning. Is Lena willing to risk the lives of her family to uncover a Soviet era mystery?