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...
| Writing | Alfonso Balcázar | Writer |
| Directing | Alfonso Balcázar | Director |
| Writing | Antonio Liza | Writer |
| Camera | Aurelio G. Larraya | Director of Photography |
| Editing | Teresa Alcocer | Editor |
| Art | Juan Alberto Soler | Set Decoration |
| Costume & Make-Up | Elisa Aspachs | Makeup Artist |
| Costume & Make-Up | Isidro Plana | Assistant Makeup Artist |
| Production | Antonio Liza | General Manager |
| Directing | Anne Settimó | Second Assistant Director |
| Art | Joaquín Fernández Igual | Property Master |
| Sound | José Mancebo | Sound Engineer |
| Camera | Gerardo López | Still Photographer |
| Camera | Francisco Marín Jr. | Focus Puller |
| Camera | Santiago Rodríguez | Camera Operator |
| Editing | Ángeles Sánchez | Assistant Editor |
