Jerusalem in the last days of the life of Christ, Constantinople during the Crusades, Florence in the era of Leonardo da Vinci, Paris at the end of the 19th century, modern Madrid and the Cistercian monastery - these are the places where the action of the novel takes place, leading to an unexpected solution to the mystery of the holy shroud. From ancient times Since then, emperors and pontiffs, European nobility and the Knights Templar have sought to possess the priceless relic. But what connects the Shroud of Turin and the great artist Leonardo da Vinci? A modern scientist, who unexpectedly became the owner of unique information, discovers da Vinci’s last secret, which can shed light on the true history of the greatest Christian shrine.