In a world where the essence of martial arts is at stake, a shadowy ninja and a mystic iris clash in a battle for the soul of the martial arts, with a hidden blade as the key to their destinies....

In a world where shadows dance and the whispers of the ancient masters echo, a young martial artist embarks on a perilous journey to uncover the truth behind a legendary technique, only to find that the path to mastery is shrouded in mystery and danger....