Oswaldo Mesquita

Set in Poços de Caldas, Minas Gerais, the story shows how Pardal and Bebel, young people newly arrived in the city, fall in love. However, each hides their true identity from the other.

Dr. Jegue is a fumbling inventor and scientist, who in his spare time helps his friends Kiko, Sassá, and Quindim in a mechanic's shop. The four are great friends of Carlos Alberto, a stock car driver who suffers from the frames of rival Hugo and his gang. By doing scientific research in his mini-lab, Jegue discovers two powerful formulas: one extracted through the Quince tree, an abundant fictitious plant in the Northeast; and another that turns Dr. Jegue into a big, bearded, moody man with powerful strength. The Marmeleiro formula is tested in a race at the Interlagos Autodrome in the old track and the news of a "new fuel" becomes the main news of the country. Soon, buyers from all over the world come to Brazil to try to buy the formula, offering a lot of money for it, but Jegue, not ambitious, decides not to sell the formula anymore and leaves it in his country.