After Treachery in Bordeaux, and Grand Cru Heist, Benjamin Cooker, our Winemaker Detective leaves his native Bordeaux to go to Burgundy for a dream wine tasting trip to France's other key wine-making region. Between Beaune, Dijon and Nuits-Saint-Georges, it turns into a troubling nightmare when he stumbles upon a mystery revolving around messages from another era. What do they mean? What dark secrets from the deep past are haunting the Clos de Vougeot? Does blood need to be shed to sharpen people's memory?