El diario íntimo de una cabaretera: Martha is a single woman who becomes pregnant and commits suicide after giving birth to a pair of twins, Jessica and Angelica, who are adopted separately. Years later, Angelica becomes a lawyer working for the mafia. Jessica, who was adopted by a prostitute, has become a criminal and is now arrested for the murder of her husband. In prison she tries to be friends with the director without success and she has to pay her sentence.