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.
Geninha and Fortunato are couple who loves music. He's a good songwriter, she sings well. Despite this, their parents hate each other and do not seem willing to allow their marriage, nor the creation of a local radio for them.
When Mr. Elias discovers that his aunt, who lives in Brazil, comes to visit him, he decides to temporarily occupy the house of a wealthy neighbor who's away so that she doesn't discover that he's not as rich as he told her.
