Catarina overhears Otávio and Aires' conversation. Agnes makes a discovery about Selena. Diana reveals to Gregório that she loves him. Afonso warns that Otávio has surrounded Montemor, leaving the city without food and water. Afonso and Amália are surprised by the agreement proposed by Otávio. Aires warns that Montemor's soldiers have attacked again. Afonso hits Otávio. Amália pursues Catarina.