The Borgias (2011)

S1E7 Death, on a Pale Horse

King Charles of France and Della Rovere's forces continue their successful campaign, capturing the city of Lucca, causing the Italian factions to rally to their side. Giovanni Sforza, Lucrezia's husband, prepares to align with them in allegiance to Milan. Meanwhile, renowned inventor Leonardo Da Vinci (guest star John Lynch) presents his innovative designs for war machines to the French invaders, showcasing his ingenuity in the face of impending conflict.