Zoé Levy and Mélanie wore the same ring when they died: it is now certain, they have a common attacker... who must have had other victims! At the same time, Mélanie's change of attitude in 1998 has devastating consequences for the future: Nathan, colleague and friend of Ludo, and Florence, Mélanie's friend, have not met... They have destroyed their family! Ludo panics: if Melanie survives, what will happen to Parvana and Sam?