Da Vinci’s Demons

Leonardo's quest for the Book of Leaves continues, and his failing war designs for the Medicis cause a rift between them. A papal spy is defeated by Leonardo.

Riario discusses his defeat with the Pope and a mysterious prisoner, while Leonardo searches for a rational explanation to an outbreak of demonic possessions.

Bechhi is arrested for spying; Leonardo unveils his latest weapon while Florence's army squares off with Rome's. At a party in his honor, Leonardo is arrested for sodomy.

Piero, Leonardo's estranged father, is ordered to defend his son in court. Leonardo turns a corrupt judge during a performance for visiting royals. The Turk makes an appearance.

The Turk's clue about the Book of Leaves leads Leonardo to Vlad Dracula. Lorenzo and Piero meet with the Duke of Urbino. Later, the search for the Medici's spy intensifies.

Leonardo builds an underwater suit and breaks into the Vatican through the sewer. He meets the Pope and the mysterious prisoner. Giuliano reveals the identity of spy in Rome.

The Pazzis plan to overthrow the Medicis on Easter. The Turk tells Leonardo the location of the Book of Leaves. Lucrezia admits a startling secret and Leonardo saves the Medicis.