In the last scene set in Burgos, the crew was ready to use fake snow when, to everyone's surprise, it snowed in the area for the first time in many years.
In the scene where Trini loses her virginity, Maribel Verdú suggested to director Vicente Aranda that she would just stripped from the waist down and lie in bed. Verdú argued that this would emphasized the sadness and pathos of Trini's gesture. Aranda loved the idea.
Originally intended to be produced as an episode of the TV crime anthology series La huella del crimen (1985), before producer Pedro Costa decided to rewrite the script as a theatrical film after talking to Vicente Aranda and realized it could be a big box office hit.
Antonio Banderas was the first choice to play Paco but he was busy working on Les mambo kings (1992).