Gregorio Beorlegui

Inés de Castro

Manuel Augusto García Viñolas, José Leitão de Barros

Alicia Palacios, António Vilar

In 1336, Pedro, heir to the Portuguese crown, marries Constanza Manuel de Villena, a Castilian noblewoman, for political reasons; but the impulsive prince ends up giving in to his love for Inés de Castro, his wife's lady-in-waiting.