The family Pintín: Ada, Bepo and grandfather Fierro must rescue Luna, the youngest daughter of the family, who was kidnapped by humans and taken to an island that functions as a private zoo sinister character. The wait for a journey full of dangers and adventures.
On a stormy night, Trapito the scarecrow saves Salapin the sparrow's life. Salapin is very grateful and makes Trapito believe that he can move from his place. Together they go to the patriarch of birds who ascertains that Trapito has no fantasy. Therefore Salapin will be his fantasy. After that, they meet Largirucho, a clumsy farmer. They become friends and go to the city to sell cheese. From the money they're going to eat in a restaurant. When Largirucho discovers his money is stolen and can't pay, the cook keeps his pig. He must pay within 7 days or the cook will slaughter the pig. Their adventures start when they're finding a job.