At Karlstein Castle, Luisa is summoned to her ailing mother's bedside, where she reveals a shocking family secret: the Karlsteins are a family of vampires. Before her mother's passing, she warns Luisa to beware of her ancestor, Count Karlstein, whose crypt-dwelling remains hold a dark and ancient power. As Luisa explores the castle, she discovers the count's undead state and begins a romantic affair with her cousin Karine. Meanwhile, a skeptical police inspector, Ptuschko, is tasked with solving a series of gruesome murders in the town, but the locals' warnings of vampire attacks fall on deaf ears.

Daughter of Dracula
A mysterious castle holds a dark secret: it's a centuries-old vampire lair, where a family of bloodthirsty creatures, led by the ancient Count Karlstein, lurks in the shadows, waiting to strike.