Nicolás Rodríguez hijo

A gang member is attracted to a beautiful young woman, but approaching her only causes problems that will be difficult to solve.

Personal dramas among the residents of an apartment house.

The movie starts with Braulio Peláez (Pedro Infante), a schoolteacher, having just fallen off his horse, representing the situation he and his family are in. The next scenes introduce the viewer to his family and their poor financial and social situation. As Braulio stumbles around looking for his glasses, he causes a famous film star, Alfonso de Madrazo (Rafael Alcaide) to crash his car. Braulio offers him to eat at his house as an apology. Braulio's sister and mother, big film fans, immediately recognise Alfonso and attempt to get him to bring the girl, Luisa Peláez (Irma Dolores) to Mexico City to become a film star. Alfonso agrees and tells them to come to the capital.

By the negligence of parents who not assume their responsibility in sex education, many lives are ruined

In Guanajuato, a piano teacher delays her marriage to an engineer not to let her younger sisters alone. As he is love with her voice, he is mistaken for a sister whom he marries. The teacher then goes to the capital. There she becomes part of a family of young students, who believe she is the mistress of his father, so she suffers the scorn and reproach. Over the years the parents die and she renounces to the inheritance they leave her.

Young woman's parents don't supervise her activities closely enough; she ends up going to a beatnik nightclub and dancing the twist and getting raped.

Irresponsible playboy seduces a decent young lady with a fake wedding; he continues being a creep for the next 12 or 15 years.