A spaceship arrives on Earth, leaving an extraterrestrial being stranded. He meets a boy with whom he befriends. Parody of the movie "E.T. The Extraterrestrial" by Steven Spielberg.

A group of adolescents from the same school, although of different social classes, intervene between them. Oscar falls in love with Sandra until Diego seduces her and makes her pregnant...

After spending three months doing experiments in space, scientists Antón and Daniel return to civilization. They're astounded to discover that the Earth has undergone an enormous cataclysm and the law of the gravity has even been altered in the interim.