France, 17th century, during the reign of Louis XIII. When a dear friend, the Duke of Nevers, is treacherously assassinated by a powerful relative, a skilled swordsman, the noble Henri de Lagardère, seeks his rightful vengeance as he tries to protect the innocent life of the duke's last heir.
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.
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.
