Julius Suton, a historian specializing in the life of Nostradamus, is found dead at the foot of the Pine Tower with a mysterious vellum in his hand. Is this one of the lost prophecies of Nostradamus ? Does the vellum predict the death of Julius, or does it indicate the place where the skull of Nostradamus is hidden ? Paul is inclined to the second hypothesis. Swimming in mystery, he is not at the end of his surprises.