It's Easter, and on a glorious spring day in peaceful Three Pines, someone waits for night to fall. They plan to raise the dead! When C.I. Gamache of the Sureté of Québec arrives the next morining, he faces an unusual crime scene. A seance in an old, abandoned house has gone horrifically wrong and someone lies frightened to deat. For an idyllic Three Pines is not all as it seems. Toxic secrets lie burried, and something terrible has finally clawed its way out. And even Gamache has something to hide. One of his own team is preparing to betray him. But who is it? And how far will they go to ensure Gamache's downfall?