Watch Movies2Watch. In 1923 the scientist Von Dracula invented Vampisol, a drink that allowed vampires to live in the sun. La Capa Nostra and the European Vampire Group confront each other in Havana to control the Vampisol, but Pepe, Von Dracula's nephew, sang the Vampisol formula for free on Radio Vampiro Internacional. Now Pepe must face the Nazi vampires, who use the most powerful Vampisol: El Vampiyaba.