Retired farmer, François Rougier, is creating a shrine near his dilapidated farm in the Sarthe, when his wife tells him they have received another threatening letter. The letter is worse than the last. Both know why. But they must at all cost keep their secrets hidden from their daughter. Delphine Rougier, who owns ambitions of becoming a gendarme, works as a chambermaid in a hotel near Le Mans. One morning Delphine discovers a new-born baby boy, left in one of the rooms. Dead. Delphine soon begins her own investigation into the horrific crime - and uncovers not only corruption within the local gendarmerie but also a disturbing event involving her father in 1968. Secrets and enemies are unleashed. Delphine and her parents are plunged into grave danger, becoming the target for a ruthless assassin.Justice must be done. But whose justice?