"When an intricate old map is found stuffed into the walls of the bistro in Three Pines, it at first seems no more than a curiosity. But the closer the villagers look, the stranger it becomes. Given to Armand Gamache as a gift the first day of his new job, the map eventually leads him to shattering secrets. To an old friend and older adversary. It leads the former Chief of Homicide for the Sûreté du Québec to places even he is afraid to go. But...

Emma Faraday is burdened by a devastating secret from her childhood--a secret she has kept hidden for years from everyone, including her husband, until the day her old friend, Nadia, re-enters her life, seething with resentment and looking for revenge.