Naples. A happy, harmonious family has gathered together to celebrate a double Christmas: the night of December 24, a child is to be born to them on the anniversary of the Holy Birth. Everyone is excited about the birth of little Franceschino; everyone except Rocco, the newborn’s future brother. Meantime, down in hell, for more than 2000 years His Profundity has been burning with the desire to prevent Baby Jesus’s birth. He orders three mean little devils, to tempt someone on Earth to carry out his horrible deed. The choice falls on Rocco because, consumed by Jealousy, he’d like his brother never to be born…