Spring 1963. Terror reigns in the capital. In one month, 4 young boys disappear without leaving a trace. Searches by the police prove fruitless. When a crow hunter spots a small body in a sand dune, the police quickly raise suspicions about a well-known man from the village of Pont-Rouge.

Pont-Rouge is a small village where nothing ever happens, until the body of a murdered young boy is found. The man in the sights of the police is well known to the villagers for his dark criminal past. Thanks to the recklessness of a young boy, Léo-Paul Dion is arrested. He is forced to make disturbing confessions about his victims.