A story of a married woman who, while supporting her disabled husband, gradually awakens to uncontrollable inner desires. Driven by an intense lust so powerful she declares there is no such thing as goodness in this world, she resolves to cut all ties with her husband. Embracing the label of "lustful woman," she embarks on a week-long journey in pursuit of new pleasures. Her long-repressed body now burns with crimson passion, overflowing with love and raw sexual desire. For her, this week marks the beginning of an entirely new life.