 Constanza is a theater actress; a mother tired of being a mother and a woman with a thirst for life.Santiago is a photographer; a man who has ravaged his own life and who now wanders through his marriage with the certainty that love is about to perish.Diego and Anastasia are the other couple; he is a brilliant investigative police officer with a penchant for beautiful women and she is a recent graduate from the school of journalism... a newlywed who, upon entering adulthood, receives a mortal and irrevocable blow to the heart.