Lora is a maid who serves Carmilla, a beautiful but moody vampire suffering from a disease. All she wants is to go to the Walpurgis Night festival and find one of the wish-granting philosopher's stones hidden there by the witches. Although Carmilla is firmly against her going, Lora is determined to get to the festival and sneaks out at night. Will she be able to make her precious wish upon a stone before the sun rises?