Once the Spanish Civil War is over, the sons of the wealthy classes, who support politically and militarily the new regime, are preparing to begin their ascent in the social and economic sphere.
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.
In a country house of Galicia (Spain), Teresa and Fernando, beset by their economic situation, rent rooms to Mr. Morell and his niece Lina, who are looking for a quiet place to rest. Everything seems normal but, at night, when the doors of the rooms are closed, it seems as if uncle and niece apparently practice spiritualism.
