 Based on a novel by  Lorenzo Silva  (qv), this movie deals with the unusual and tragic relationship between a frustrated businessman and a 14-year-old student. After crashing into the rear of the car in front of him, Pablo Lopez starts arguing with the other driver, Sonsoles, who finally files for an injury claim against him. Therefore, the angry manager starts harassing her and observes her younger sister Maria in her schoolyard. When he gets to know the intelligent girl, his perception of life is changed totally, but their friendship leads into a tragedy...