Based on Ladislas Fodor's "Stranger on the Stairs". A loved triangle composed by a cynical entrepreneur, a loan manager, and a seductive secretary will lead to a criminal plot in Cuba.

After a trip to Europe, Regina de Alba comes home and finds out her mother is nowhere to be found. When her step-father's criminal past becomes known, her suspicions increase.

1943 film by Miguel M. Delgado, Fernando de Fuentes

A tough young man, who helps to kick poor people out of their houses, falls in love with a girl. She lives with her father in the building about to be demolished.