Viola, who was living alone in a remote countryside, accidentally rescues and treats a wounded man Caliburn. The two feel an inexplicable attraction along with a sweet scent and have an intense first night... After that, Caliburn suddenly disappears. Left alone and without knowing Caliburn's whereabouts, Viola leaves her hometown and gets a job as a maid, where she discovers Caliburn imprisoned in the form of a beast in the basement of her workplace...