A psychodrama, shot almost entirely in a seedy one-room apartment, which details the grinding routine of Laura (Mónica del Carmen), a 25-year-old freelance journalist, who lives a very isolated life in her small apartment rarely venturing out besides getting men home from nightclubs and never going beyond one night in bed. Until she meets the quiet, inscrutable Arturo (Gustavo Sánchez Parra) and the pair enter into an intense, violent sexual relationship. The story focuses on the fascinating evolution of their relationship. As days go by, she crosses out the days on a calendar, revealing her secret past to her lover. It takes place in February on a leap year.