A student was assaulted. She is currently between life and death. At the time, the girl was dressed as Little Red Riding Hood. Falco and Knight are responsible for the investigation. They discovered first that the student led a blameless schooling and obtained brilliant results. But the reality behind appearances, is much more complex. So the girl was lying on his family for several months. In parallel, the relationship between Carole and Falco takes a new twist, while Falco's past resurfaces and memories of his accident due to it ...