Vladimir Tod is a 15-year-old boy who is half-vampire. The story takes place in Bathory near Halloween. Vlad lives with his Aunt Nelly and attends junior high school. The antagonist is D'Ablo, a former friend of Vlad's father who now wants to capture Vlad. The main conflicts involve D'Ablo kidnapping Aunt Nelly and trying to imprison Vlad. The climax occurs when Vlad and Mr. Otis confront D'Ablo and Vlad uses a magical object called a Lusic to kill D'Ablo and resolve the conflicts.