Two couples live through attraction, distraction, sympathy, friendship, quarrel, jealousy, fidelity, and the Devil supervises it all by delivering solemn warnings in choice moments.

Leonel is a pianist, nostalgic of sweet melodies, while his son is the (real-life) leader of Os Gatos Pretos (black cats), a twist musical group. The conflict is eventu ally solved when Leonel's daughter, Cilinha, starts dating Raúl, a well-off young man, who promote a new dancing club, the Lisboa Antiga e Moderna, where old new music get even shares.

Vicente and Margarita are a traditional and middle class married couple whose life is surrounded by a sea of confusion and uncertainty when their children begin to make their own decisions. They have discovered love and will not let their parents tell them what to do or who they have to love. The principles and traditions of the family will be replaced by each of the young people who will represent the different social problems of the time. Thus, the coexistence between them will change without Vicente and Marga can do anything to avoid it.

A peaceful head of the family wins the lottery, changing the family's life.

Lorna Green is a performer at a Lisbon nightclub who performs fictionalized acts that involve erotically charged sadomasochistic murders. As she begins to suffer violent, surreal nightmares, she starts to believe that she may be under mind control by a man who may be Satan incarnate.

The characteristic loves of Margarida and Clara, the distinct moral of Pedro and Daniel, the goodness of João Semana, and the dissidents, sensibility, tenderness, rituals and landscape involvement of the Minho.