What secret has been hidden for centuries in the ancient italian duchy of Ferentillo? Is there a mystical Guardian who protects this secret, or is it just a legend? And how is this mystery connected to the knights of the Order of the Temple? What starts as a relaxing weekend in the italian region of Umbria, a simple escape from the routine of daily life, turns into a mysterious adventure for Nemo. His visit to the crypt of the mummies in Ferentillo will open up a path full of riddles, mysteries, and encrypted codes, leading him on a quest to uncover the truth about the mysterious treasure of the knights of the Order of the Temple and their most precious relic. He follows the lost legend of the "Guardian", a myth suspended between fantasy and reality, which may turn out to be the greatest adventure of his entire life.