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.

An affluent Mexican performer is troubled when her son announces his intentions to marry a Black American woman, and her daughter exhibits erratic behavior.

Slapstick/musical comedy parody of historical dramas, send-up of "Locura de amor," about Queen Juana 'la loca' of Spain.

1951 film by Chano Urueta

A circus dancer marries a famous singer, but is threatened when a figure from her past blackmails her.

1953 film by Gilberto Martínez Solares

Santo and Jorge Rivero team-up to stop an international syndicate from stealing Mexico's greatest treasure.

Pedro Gonzalez first gets into trouble as part of a criminal gang and then works honourably to become rich. Money is his undoing allowing him to become a womanizer and drinker, almost losing his wife. Finally he rejoins her, they have a son and he pays for his mistakes.