Count Dracula is an old vampire who, because of his advanced age, is forced to host tours of his castle to get new victims. In an attempt to revive his long-lost love, Vampira, Dracula needs to find a victim with a very specific blood group combination to  resurrect Vampira by a blood transfusion.
Dracula's need for a specific blood type for a blood transfusion highlights the challenges he faces as an ancient vampire trying to revive his long-lost love.