Instead of keeping the peace, Rodrigo gives in to Giulia's urging and has his men take up arms, but under Juan's command the campaign fails.

With his enemies advancing and his troops deserting Juan's command, Rodrigo has to take a tough decision that puts Cesare's life at stake.

To prove himself worthy of the crown of Naples, Juan proposes to convert the Jews in a mass christening, but accidentally reveals a dark secret.