1948 film by Humberto Gómez Landero

In a small Mexican village the news shock neighbors, Ricardo Alfaro, a wealthy local rancher has disappeared without a trace. Taking advantage of the circumstance, Aurora Campos, a strong woman with overwhelming beauty, convinces the authorities to sell her the property in exchange for twelve thousand dollars. Soon after, when Ricardo suddenly reappears, a real battle is about to begin.

Dr. Forti carries out strange experiments, assisted by his son Pablo. They embark on an expedition to the jungle. Eight years later Forti returns without his son but strange things start to happen in the old house where they live.

1953 film by Miguel M. Delgado