A small, rural Spanish town in the present day is haunted by vampires. Dr. Dora Maeterlick is called to a nearby castle to cure Baron Carl von Rysselbert’s father, who suffers from a rare blood disorder. Erika, the Doctor’s assistant, falls in love with Carl. But Carl is a vampire and soon makes Erika his vampire bride. From that moment on, Dr. Maeterlick is plunged into a whirlwind of nightmares and dark events…