Question d'eau-de-vie... ou de mort

Benjamin is legal expert for the insurance when the Armagnac (exclusive brandy) winery of baron de Castayrac explodes, his wine-maker Paco Vasquez dies in the fire. Silvére volunteers unasked to assist and gets stuck with all the dirty chores, hence is furious to be kept in the dark when Lebel conducts a murder investigation. The baron's at first sight scary son Olivi...