Super Short Summary

The Cruelest Month by Louise Penny follows Chief Inspector Gamache and his team as they return to Three Pines to solve the murder of Madeleine Favreau, who died during a séance at the sinister Hadley house. Despite initial suspicions of natural causes, an autopsy reveals she was poisoned with ephedra. Gamache uncovers hidden motives and jealousy within the community, eventually identifying Madeleine's closest friend, Hazel, as the killer. Gamache also confronts a personal betrayal from his own team.