Winter in Three Pines and the sleepy village is carpeted in snow. It's a time of peace and goodwill - until a scream pierces the biting air. There's been a murder. Local police are baffled. A spectator at the annual Boxing Day curling match has been fatally electrocuted. Despite the large crowd, there are no witnesses and - apparently - no clues. Called in to head the investigation, Chief Inspector Armand Gamache unravels the dead woman's past and discovers a history of secrets and enemies. But Gamache has enemies of his own. Frozen out of decision-making at the highest level of the Surete du Quebec, Gamache finds there are few he can trust. As a bitter wind blows into Three Pines, something even more chilling is sneaking up behind him...