Laura is a single, 25-year-old journalist who lives in a small apartment in Mexico City. After a long series of flings, Laura meets Arturo. The first time they make love, Arturo touches here in ways that overwhelm her. Thus begins an intense, passionate and sexual romance, which mixes pleasure, pain and love. In the course of days, which she carefully crosses out on her calendar, Laura’s secret past resurfaces, driving Arturo to extremes.