Cassius recommends that Rodolfo use the amount of taxes collected to improve the pasture, but the king prefers to use it for his wedding. Afonso and Rodolfo get married on the same day, in Montemor and Artena respectively. Lucrécia reveals to Rodolfo that he didn't like Catarina. Virgílio watches Amália and Afonso's wedding party from afar. Lucrécia catches Rodolfo about to kiss Catarina.