Una historia de bigamia y doble traición donde los personajes centrales son Don Alfonso III y una mora, de quien se enamoró. El rey que completó la reconquista del territorio portugués, traiciona a su mujer y la mora traiciona a su padre.
Tras la unión secreta entre Inés y el duque de Nevers, éste es cobardemente asesinado por misterioso desconocido. Lagardere, fiel servidor del duque, promete vengarlo y educar a Aurora, su hija. Para esto, antes de morir, el duque le confía el secreto de su famosa estocada: la estocada Nevers. Durante 17 años Lagardere vengará al duque haciéndose pasar por su fantasma y matando sin descanso a los que participaron en su asesinato. Pero sigue sin saber quien fue el promotor del mismo.
Chased out of the Spanish court, a nobleman uses the services of his valet to take revenge. He orders him to seduce the queen in order to better compromise her.
Adelaide Coelho da Cunha, daughter of the founder of the newspaper "Diário de Notícias", married to Alfredo da Cunha, then director of this newspaper, and mother of José, who is 20. This educated, cultured woman, falls in love with the chauffeur, who is youger than her and from a different social background. This passion leads to confronting the established order of things and the standards of social behaviour of a wife and mother. She may at the same time be heroine and victim of her own courage in deciding to make a final break from the whole family status and run off with the chauffeur. When his wife runs off with the chauffeur, Alfredo da Cunha with the aid of some of the eminent doctors of the day, has her declared irresponsible and incapable of administering her assets, and on this pretext he has her inprisoned in a mental hospital.
During the century of the Spanish Gold, Doña Prouhèze, wife of a nobleman, deeply loves Don Rodrigo, who is forced to leave Spain and go to America. Meanwhile Prouhèze is sent to Africa to rule the city of Mogador. Ten years later Rodrigo leaves America and travels to Africa in search of Prouhèze to find out that she died and eventually meeting her daughter.
The film is inspired by the Mário de Sá-Carneiro short story, where the narration is made by Professor Antena's assistant who walks by his side when he is run over in a perhaps enigmatic way.
