It's a beautiful day in the seventeenth century. Pierre, Marquis de Beauvoir, Duke of Hertford and his small family arrive for a picnic on the banks of the River Loire in the grounds of his castle of Montr sor. It is a garden Eden - beautiful and peaceful. But fate strikes and, taken by surprise, the lunch party is ambushed. Pierre is found later by his faithful valet, barely clinging to life, but his wife and only son have vanished without...