The domestic misfortunes of Duarte Tinoco, a married man with a free heart. At a time when the leading filmmakers in Portugal were foreigners working under contract with Invicta Film, the possibility of Portuguese artists with special skills moving into directing was a key project for that production company. This is how António Pinheiro, an acclaimed actor, came to direct Tinoco in Bolandas. The experience proved positive and was continued in another film. To make this film, António Pinheiro enlisted the help of his mentor, Georges Pallu, who had directed him in several films. In addition to appearing in the cast, Pallu was also responsible for adapting the play on which the script is based.

The amorous sacrifices of the daughter of Tomé da Póvoa, Berta, with the gentleman Jorge and, in parallel, the warm connection of the other son of Dom Luis, Maurício, with dedicated cousin Gabriela.

The story of this film is based on actual facts, the murder of actress Maria Alves, and the investigation that ensued, covered by Reinaldo Ferreira himself. Ferreira also wrote a novel based on the same facts.

Between the elegant areas of Cascais and Lisbon, dangerous delinquent Barbanegra acts under the identity of the insinuating Marquis de Serpa.