As a fierce, unrelenting winter grips Quebec, shadows are closing in on Chief Inspector Armand Gamache. Most of his best agents have left the Homicide Department and hostile forces are lining up against him. When Gamache receives a message about a mysterious case in Three Pines, he is compelled to investigate – a woman who was once one of the most famous people in the world has vanished. As he begins to shed light on the investigation, he is drawn into a web of murder, lies and unimaginable corruption at the heart of the city. Facing his most challenging, and personal, case to date, can Gamache save the reputation of the Sûreté, those he holds dear and himself?