Something is wrong in the abandoned Italian monastery of San Cosimo. Kira, Lisa, Chris and Nils are absolutely convinced of this. Why does the dungeons of the old chapel smell so disgusting? And where did the American researcher Dr. Richadson, who was here studying the works of the sculptor Damiano, go? Friends followed Dr. Richardson into a mysterious labyrinth and stumbled upon the eerie legacy of the past, which had been hidden in the old dungeon since ancient times...