Natalio R. Petrof is the composer most quoted of the market. His songs are all number one on the sales charts. But in recent times things do not go very well. His label has commissioned ten songs for Zanna's next LP, but Natalio does not even have the titles. His girl, a psychiatrist, has left him to go live with another psychiatrist. Her mother is hysterical, since her father, who seduced her while fighting in the Russian campaign with the 'Blue Division' and who abandoned her when Natalio was five years old, threatens to return from Bolivia, after collapsing their mafia business with the arrival of democracy. But who really is in the limit is "Chuck" Camacho, the right arm of Natalio, his friend, producer and manager. If Natalio does not deliver the songs in a week, his brilliant career will eclipse. "Chuck" must do something. And he does it.