As the villagers of Three Pines prepare for a special celebration, Chief Inspector Armand Gamache and Jean-Guy Beauvoir find themselves increasingly worried. A young man and woman have reappeared in the Sûreté du Québec investigators’ lives after many years. The two were young children when their troubled mother was murdered, leaving them damaged and shattered. Now they’ve arrived in Three Pines. But to what end? Gamache and Beauvoir’s memories of that tragic case, the one that first brought them together, come rushing back. Did their mother’s murder hurt them beyond repair? Have those terrible wounds, buried for decades, festered and are now about to erupt?