Once the Spanish Civil War is over, the sons of the wealthy classes, who support politically and militarily the new regime, are preparing to begin their ascent in the social and economic sphere.
The wealthy father of a young girl who has a relationship with a boy who has just won a waltzing contest employs him in a factory in order to make him a profitable man.
Cristina Guzmán is hired to impersonate the disappeared sister-in-law of a rich man.
