Synopsis：Many years ago, a once-renowned clan famed for its deadly art was annihilated. With her dying breath, the matriarch warned her only child never to use their secret skill again. Years later, during a martial arts tournament where victory decides a marriage, a young woman from another family is about to lose to a mysterious outsider. At the critical moment, the child who has long hidden their power shatters an old jade pendant, awakening the forbidden strength once more, all to protect the one they love.