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.
A Spanish engineer working in the Guinea jungle marries a woman whom he has been corresponding, only to find that the photograph he was sent was of his wife's best friend. He becomes obsessed with that other woman.
Film based on the life of the priest Andrés Manjón.
