An epic about one of the most turbulent times in the recent history of the Buenos Aires suburbs. In this context, a group of idealists emerges who are specifically called: "The bastards."

It tells the story of orphans forced to work on a farm run by Colonel Juan Ignacio de Cabreras and Marga. Belén, through the book recommended to her by Tok and the Wise Old Man, meets Alejo, who lived with a boy named Felipe. One of the girls, Camila, secretly met with Felipe every night. But the colonel was interested in a cave containing very expensive diamonds, until finally, the diamonds belong to Belén. It's a story full of magic and song.