A very modest employee exchanges her newborn child with the baby of a wealthy family. However, years later, when the young man is about to graduate as a doctor, he begins to investigate his hidden past.

An Argentine writer agrees to travel with a detective, a married individual and a woman in a car, to cross the mountain range. A storm forces them to seek refuge in a cabin, inhabited by an old fan of esoteric arts. Along the way, we learn about Alberto's story and the reasons for his arrest. In an oversight the criminal and the woman escape the detective's vigil ...

Desideria de los Ríos is an amateur actress who works in a theater of bad death and looks for the way to become a luminary of the screen.