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.

Leonardo makes an unexpected discovery in the New World. Lorenzo attempts to save Florence with the help of an old flame. Clarice struggles 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.

Leonardo and his allies are forced to retreat when the Ottoman Empire storms the city of Otranto.

Leo devises an escape from Otranto but may not be able to save those closest to him.

Leonardo investigates a horrific murder that may result in the Labyrinth being exposed.

Carlo's attempt to program Leonardo into becoming "one" with the Labyrinth leads him to slip into an alternate reality that could prove life-threatening.

A paranoid Leonardo becomes shut off from his friends, while an endangered Lucrezia searches for a way to make amends for past sins.

The Monster of Italy is captured but not all is safe as danger still lurks and poses a threat to the upcoming Crusade Festival.

A former nemesis returns to Florence and stands in opposition to Crusade efforts. Vanessa and Nico ponder their futures; Leo attempts to decipher the Turkish armor.

Nico and Zoroastre turn to an old enemy to gain support for the Crusade. Leo is ambushed by the Labyrinth.

Leo and Sophia struggle to control the mysterious device they've built. Back in Florence, Riario awaits judgment while Lorenzo and Vanessa take their partnership to the next level.

Leo must put his faith in his friends and in himself to have a chance to defeat the Turks.