André (Curado Ribeiro), is a son of a wealthy family who meets a girl called Luisinha (Milu). Luisinha lives at a small pension house with Rita (Maria Olguim) and Januário (João Silva), who are as parents to her, and with mr. Simplício Costa (António Silva), better known as Costa do Castelo, a lazy but highly talented guitar player who together with (Hermínia Silva) reaches success.
It focuses on maritime tragedy of the town and a forbidden love between Julha and João Moço, from different fisher castes, in a community where mixed-caste marriages were not allowed and dating without parent's assent was seen as a disgrace to the family, not only in respect to women, but also men.
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.
