Fleeing from the murderous brigand Sandino, Matteo - a young boy - is saved from drowning by the companions of Leonardo da Vinci. And as Da Vinci and Matteo travel across Italy on the Borgia's business, murder, deceit and revenge follow in their trail.

Fleeing from the murderous brigand Sandino, Matteo - a young boy - is saved from drowning by the companions of Leonardo da Vinci. And as Da Vinci and Matteo travel across Italy on the Borgia's business, murder, deceit and revenge follow in their trail.