Three journalism students decide to follow the steps of the "Montblanc Monster", an assassin who killed 17 girls and hasn't been found yet by the police, and record everything to make a report as their final year project.

The first work from Fernando Franco revolves around Ana, a 30 year old ambulance driver. Though good at her job, Ana has problems relating in her personal life. She doesn't know it, but she suffers from a condition known by psychiatrists as Borderline Personality Disorder. The situation pushes her to outbreaks of self-destructive behaviour, alcohol abuse and self-harm. Ana is incapable of getting what she wants most: to be happy.