An aspiring singer sees himself succeeding in Paris and Buenos Aires.

The dilemma of a young woman between the old man who protects her and the boy who loves her.

The members of a Buenos Aires family have three hobbies — "berretines" in Buenos Aires slang — that keep them apart of their duties. Because of that, the family business is going down, and the only one who is concerned is the father, who hopes for his fourth son, an architect, to save the situation.