Episode 4

Plot:

When Ludovico asks Leonardo to create a sculpture in honour of his father, Leonardo's ambitions rise as he tries to outperform. During the work, Leonardo finds himself in Gian Galeazzo Sforza, the young duke of Milan and puts trust in an unexpected source, Salaì, a resourceful thief. As he gets distracted from Caterina, Leonardo ends up in a race against time with a costly decision to make.