Libertad Lamarque

After the mysterious disappearance of an oil well owner, one of his workers, Gerardo (Jorge Negrete) assumes the business management. Soon, the owner's sister (Libertad Lamarque) arrives from Argentina, and, believing that Gerardo killed her brother to keep the wells for himself, she starts working as a singer under a false name in the same casino her brother disappeared, in order to find out what exactly happened. (imdb)

Two identical twin sisters separated at birth reunite and the rich, devious and cruel one proposes to her sweet-hearted counterpart to assume her place. (imdb)

A young farmer secretly marries an actress, whom he leaves to return to the field and she will try to teach him a lesson by posing as a maid. (wikipedia.org)

Nina Miranda leaves after spending 20 years imprisoned for a murder that she insists she did not commit, and recalls the time of her youth.

The adventures and lessons learned of the daughter of a depressed rich widower, a sweet-hearted and smart little girl who still talks to her deceased mother. (imdb)