1951 film by Antonio Ber Ciani

Class differences in Mexican society are expressed in the life and behavior of a young couple member of the burgoisie that will soon become parents, in contrast to their servant and the fatal consequences she suffers due to an unwanted pregnancy.

After being unjustly accused of corruption and seriously injured in prison, Miguel's personality will merge with the characters he reads in his police novels.

In the 16th century, the Inquisition condemns Count Orloff, a vampire and sorcerer to death. In the 19th century, the vampire Madame Kostoff arrives in Mexico and buys the house where the vampire was buried and revives him.