The Vampire - El vampiro [1957 - Mexico] classic horror

When the train arrives in Sierra Negra station, the youth Marta Gonzalez learns that her uncle is not at the station to take her to Sicomorros, where she had lived most of her life. She is in a hurry to visit her Aunt Maria Teresa, who is dying, but there is no means to go to the village. A stranger, Enrique, asks for a ride for her in a wagon pulled by two horses to a weird man that came to take a mysterious box. He accepts to give a ride to them to a road nearby the farm owned by her uncle Emilio. Soon Maria and Enrique learn that her aunt has died and has just been buried in the family's crypt. She meets her aunt Eloisa and is surprised to see how young she seems to be. Further, the servants Maria and Anselmo tell stories of vampires that made most of the population of Sicomorros leave the village. Eloisa tells Marta that she has inherited one-third of the real estate and their neighbor, Count Karol de Lavud, wants to buy the property. But soon Marta learns dark secrets about the count and her aunt.