In a ranch, a midwife attends to the birth of a girl resulting from an illegitimate relationship whom she will try to keep.

A single man must pretend to be the father of a teenage girl and will end up marrying her mother.

Margarita, the nun of a cloistered convent in charge of handling the lathe, this is a rotating mechanism provided with a small window through which she delivered and received things from the outside without direct visual contact, she is seduced by a Don Juan and induced to escape with him .