This was the very first vampire thriller, eventually becoming inspiration for Bram Stoker's Dracula, as well classics by Robert Louis Stevenson. In this tale of blood and terror, pure innocence becomes the target of age-old evil. Virtuous Laura has grown up in a solitary castle and longs for a close friend. Her wish seems granted with the arrival of a beautiful and mysterious stranger named Carmilla. A friendship develops between them, but

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"In an isolated castle deep in the Austrian forest, Laura leads a solitary life with only her ailing father for company. Until one moonlit night, a horse-drawn carriage crashes into view, carrying an unexpected guest - the beautiful Carmilla. So begins afeverish friendship between Laura and her mysterious, entrancing companion. But as Carmilla becomes increasingly strange and volatile, prone to eerie nocturnal wanderings, Laura finds herself tormented...

Two orphaned identical twins, Maria and Frieda Gellhorn, move to the village of Karnstein to live with their uncle Gustav Weil, a fanatical puritan and leader of the local witch-hunting brotherhood. The village Count, an evil man who secretly practices Satanism, uses black magic and transforms into a vampire. Unhappy with her new life, Frieda seeks escape and tragically falls under the spell of the Count. Now overcome with an insatiable hunger for...