Sandra took over as head of the clan. She takes the opportunity to bring home her mother, interned for years. The latter is mutic, schizophrenic ... Zamponi, a local elected official, proposes to Sandra and Jean-Michel a "coup": the theft of the jewels of the Empress Joséphine, exposed on the island. The case is dangerous, if not impossible, which is very pleasing to the brother and sister ... Rocca does not release his surveillance on the Paoli, especially since we have just found a certain Gio Sperandei, murdered in his car . Gio was among those who had refused to see Sandra reach the head of the clan. Rocca suspects the Paoli of being revenged ...