Ana, a girl who is about to get married, discovers in her boyfriend's house a photograph in which her mother, dead at birth, and her future father-in-law appear in a very affectionate way.

A beautiful teenage shepherdess named Adega sleeps one night with a mysterious pilgrim in a barn of impoverished and superstitious Galicia of the nineteenth century. The overwhelming fanaticism of the villagers motivates them to consider the outsider an envoy of Satan, reason why they deny him the lodging. The pilgrim, on the other hand, will react by cursing the people with plague and misery.

The arrival of Francis, who owns a factory of surgical material in New York, caused a real stir in a family composed by her grandfather, Pepe, the son, Jose, and grandson, Pepito. Pepito falls in love with her even though Francis consider him a child. But Don Jose is also in love with the American. This situation creates a difficult situation between parent and child, that Francis seeks to remedy returning to the United States. But the grandfather, Pepe, has the solution ...

As he shows a considerably higher interest in night life and vaudeville chorus girls than in textbooks, Gerardo Roquer is sent by his father from Madrid to the University of Santiago de Compostela, with the purpose of having him center in studying. There, Gerardo ends living in the "Casa de la Troya" boarding house, where he makes good friends in other students, and falls in love with the beautiful Carmiña Castro. But this love is not approved by her uncle and aunt, who prefer the foppish Octavio (with whom they have a debt) for her.

El redentor (original title)

A Pharmacy on night duty is the location for all kinds of episodes that one might imagine to happen in any night in Spain in the fifties.