Maurice Agnelet talks to the camera. Convicted more than forty years after the events for the assassination of Agnès Le Roux, wealthy heiress of the Palais de la Méditerranée , he left behind eight hours of unpublished rushes in which he delivers his version of events.

To counter him, the main protagonists of the affair are invited to speak. Casino wars, family conflicts, rivalries and romances, they plunge us back into the Nice of the 70s and bring to life every moment of this sulphureous, haunting, decades-long affair, over which the mystery of Agnès Le Roux's disappearance still hangs in the balance...