Bernard Minier

A horrific discovery in a small town nestled high in the French Pyrenees begins to unravel a dark mystery that has been hidden for years. On an unforgiving winter morning, a group of workers discover the headless body of a horse, hanging suspended from the edge of a frozen cliff. Commandant Martin Servaz starts investigating and soon discovers a dark story of madness and revenge.

Catherine Borowiak, 50 years old, is the head of a conditional release agency. Being in charge of 20 years old Hugo's case, recently released from jail on parole, she starts a relationship with him, a highly risky one.