Da Vinci's Demons

The Pazzis make their move; Leonardo gambles for the future of Florence; Riario makes progress in his quest for the Book of Leaves.

Leonardo uses his intellect to save Florence as Pope Sixtus brings powers together; Nico tries to resist Riario's temptations.

Leonardo continues his search for the Book of Leaves; Lorenzo is forced to make sacrifices when Pope Sixtus takes aggressive measures against Florence; Lucrezia looks for new alliances in Rome.

Leonardo attempts to navigate the Atlantic without maps; Lucrezia is smuggled into the Vatican for an important meeting; Lorenzo's identity is discovered during his trip to Naples.

Riario and Nico are reunited with Leonardo in the New World; Lorenzo tries to save Florence with the help of a former flame; Clarice works to retain control of the Medici bank.

Entering the Vault of Heaven presents challenges for Leonardo and Riario; Lorenzo becomes a part of King Ferrante's bloody games; Lucrezia meets the Turk in Constantinople.

Leonardo and his allies face deadly threats as they search for the Book of Leaves; Carlo helps Clarice; the Sultan's son is intrigued by Lucrezia.

Leonardo and Riario face death; Zoroaster and Nico plan an escape; Lorenzo waits to meet with the king of Naples; Bayezid seeks diplomacy in Rome.

Leonardo returns to learn that Duke Federico has been ruling Florence with an iron fist; a sinful Riario seeks redemption; King Ferrante negotiates with Lorenzo.

An unlikely alliance is needed to save Italy from an Ottoman attack; Riario faces danger; Nico takes control of Vanessa's destiny.