Leonardo and Lorenzo struggle to escape Riario's forces as Florence falls into chaos.

Lorenzo manages to get back to the palace with the help of Da Vinci. Riario whereas continues on the voyage. The Pazzis are hanged for their conspiracy.

Leonardo, Zoroaster, and Amerigo attempt to infiltrate Duke Alfonso's ship, but run into a few small problems which will require Da Vinci's keen mind. Meanwhile, Pope Sixtus, hearing of the failure of the Pazzi conspirators, takes delight in obtaining news that will change everything in his war to control Florence. A new player is introduced to Clarice and Lucrezia harbors news that could change everything. Written by Aaron P

Leonardo and Riario find that entering the Vault of Heaven is not as easy as they may have hoped. Meanwhile, Lorenzo becomes embroiled in Ferrante's games and Lucrezia meets the Turk.

Leonardo reunites with Riario and Nico 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.

Lorenzo fights for survival. Leonardo finds out new secrets by going into the Door of Heaven.

Clarice's life is in danger. The fellowship enters the Vault of Heaven, which holds many mysteries and deceptions. Lucrezia reaches her destination, meeting someone along the way.

As Leonardo and Riario prepare to die, Zoroaster and Nico plan their escape. Meanwhile, Lorenzo tries to meet with the king of Naples and Bayezid visits Rome.

Leonardo returns to a changed Florence - not all is as it seems. What will become of a changed Riario?

Italy prepares itself for an attack from the Ottomans. Riario is been stalked by danger. Nico is the only person who can control what happens to Vanessa.