A 1973 TV adaptation of the classic spanish zarzuela

Nine children, awarded for their exemplary or heroic conduct by the radio program 'Operación Plus Ultra' in association with the Iberia Airline, meet in Madrid,. Chaperoned by Juan Aguilera, radio announcer, they start a journey together to different places from the Vatican, where they meet the Pope, to Sitges

Hector travels with Luisa by the road linking Madrid with Barcelona. When another car suddenly crosses his path, his vehicle leaves the road and plunges into a tree. Hector dies and she is seriously injured. The other car was occupied by Jorge and Paula, her lover. Several vehicles cross before the car crash and do not stop, each for a different reason. Among them is Julio, a truck driver who does not stop in order to reach his destination on time, not knowing that at the wrecked car travels his old girlfriend.