An old gangster returns from the United States to Mexico City to live with his sister-in-law and his two nephews, where he will face the daily life of a middle-class family.
A smuggler, condemned to be shot, is pardoned in exchange for kidnapping "La Valentina."
Problems arise between the divers Román and Lauro when the former falls in love with a prostitute on the beaches of Acapulco.
