El Cuatrero is a man with a caring heart, but when he's double-crossed by people he thought he knew, he's determined to avenge the wrongdoings against him. The man has allies, adversaries and a multitude of women in his life who could help him in his crusade for justice, but he knows he must seek his revenge alone, with nothing more than his firearms and his trusty horse.

Three stories about three high middle class women from Mexico City who are unfaithful to their partners. 1) Julieta is a married with Eduardo, a publicist addicted to work. 2) Clara is a capricious and fickle girl who is committed to marry Ricardo, a lawyer, until she meets Alfonzo, the architect in charge of remodeling the apartment where the couple will live when they get married. 3) Mariana and Rafaela are married for 10 years and have a daughter, but she is dissatisfied with their marriage until she decides to contact Armando, a man much older than her, through a magazine contact.

Film about the scandal of TV producer Juan Osorio with Cuban dancer Niurka Marcos.

The 8-year-old son of Ignacio and Sara is dead, Sara wants a divorce and goes into a deep depression, but she soon discovers that she is pregnant again and must rethink the separation from her husband.