A different kind of vampire movie from George Romero.
Martin is a young man who drugs people and drinks their blood because: he may be a vampire or he may have a paranoid delusion. Flashbacks from decades ago may be real or just dreams. Martin is taken in by an elderly relative, Tada Cuda, who says that Martin is 84 years old and was a vampire in the old country. A reference to insanity running in the family could explain Tada's and/or Martin's behavior. Tada believes that he can cure Martin and warns Martin that if he kills anyone it will be a stake through the heart. Martin discretely takes some victims but then has an affair with Abby Santini, a customer of Tada Cuda. Abby is unhappy that her husband has left and finally slits her wrists. Tada Cuda kills Martin because he thinks he is responsible.
Thanks, Don P!