Santo and the Past, a Movie Within a Movie

Santo watches a movie about the past that then later becomes a life and death struggle in present. I think we might recognize the like lucy mina vampiric illness plot line from dracula. So you get a slayer professor, professor van roth, who's clearly the van helsing character. Soler's daughter is sick. Her health is declining day by day. She's weak and pale in the mornings, just like what happened to her friend, mara, previously. Santo immediately deduces the time period they're looking at by the furniture in the room. In the past, we see old furniture. There's horse and carriage. And so