The adventurous life of the Borgia family, full of sudden turns and unexpected endings, gives us rich information about the psychology of exceptional individuals who do not give themselves the trouble to restrain the impulses of their passions. But their story is also interesting because their fate is inseparable from the fate of the world: through the prism of their lives we observe the great upheavals of the end of the Middle Ages, the revolution of morals and thinking that gave birth to the modern era.