A brief historic novel by Marco Guglielmi, winner of the first literary contest run by the Viterbese publishing house Edizioni Archeoares. Archeologist Don Mario Salfa, originally from Arezzo is pervaded by doubts and fears even of his own mission and he undergoes a spiritual transport  towards S. Rosa, venerated in Viterbo for centuries.

In the evolution of dream-like happenings of far away medieval days of the young saint, Don Mario will be mixed up with characters of special charismatic personalities such as “Meco..the Leopard” and “Lollo Bus” who will accompany him in a voyage designed just for him to rid him of an ancient  fault of which he knows not the origin, except for the surprising final revelation.