1185. The charming Palermo, a crucible of many cultures, shining of its palaces, of its precious mosaics, is ready to welcome its new queen. Forced to deny the votes, Constance of Altavilla, the last heir of the Norman Dynasty driving the Kingdom of Sicily, is given to Bridal to Enrico di Svevia, son of Emperor Federico. A wedding dictated by the reasoning of state that will have to be crowned by the conception of an heir to the throne. But while the son is so long sighed late to arrive, the fragile and beautiful constancy must fight against powerful enemies, first of all Gualtieri di Paleare, Minister of the Emperor, who blows on the fire of Enrico's jealousy to destroy the woman and preserve his huge influence. When the little federick finally he will see the light, the mother will have to do everything to protect him from the countless pitfalls that threaten it. Until he became a boy, he will not be able to get rid of him's relentless enemies of himself, revealing skills that will make him a great emperor.