On the occasion of the first edition of the Off du Patrimoine, the service Ville d'art et d'histoire de Saumur has concocted a game that allows to discover the historical heart of the City while conducting an investigation. We are in Saumur in 1773. Salt smuggling is raging and successive investigators are unable to stop it. Also, a new survey cell has just been created: the double 00 Sel unit. You have been selected to integrate this new cell. Your mission, use all the means at your disposal to shed light on this traffic and discover the location of smugglers. But the conspiracy is far more ingenious than you can imagine. Be smart and be on your guard...