en Cuevana 3. Renan Thomas, stage director and actor is stabbed when he is playing in The Legend of Knights, a medieval spectacle in Provins.Karin Demarle and her son are witnesses of this intent of murder committed by a disguised person. By chance the help comes soon and the life of Renan is safe. Patrick Robin and his ex-wife Karine Demarle will be in charge of this case of criminal investigation.