This story is born in the land of the north of Italy, under the authority of the German emperor Frederick Barbarossa. His dream is to defeat central and southern regions, to unite the empire that was once dominated by Charlemagne. Once, in 1158, in the countryside not far from Milan, a boy named Alberto da Guzan, saves the life of an unknown knight, and does not believe his eyes when he learns the face a brave warrior of the Emperor, Frederick I Hohenstaufen. So originates a series of deadly clashes between the two characters of Medieval Italy, fighting for freedom, independence and social position of their people...