Marina is a wealthy married woman, mother of three children and a successful choreographer. One day, two patron friends who sponsor cultural events in Mexico City penitentiaries invite the dance group she leads to take part in one of them and perform for the prisoners. In prison, the heroine meets Jose Cuauhtemoc, who is serving a sentence for murder. A love affair with a criminal threatens the heroine's exemplary life. Arriaga, the author of the scripts for the cult films "Love Bitch", "21 Grams" and "Babel", created a dynamic, passionate novel about forbidden love and the deepest contradictions inherent in us by human nature itself .