As the illegitimate son of Wu Erbai who has been hidden for twenty-one years, Wu Yu bears a family curse and awakens to the "One Sword Immortal Kneels" system. Seeing his mother Hua Ling being eroded by fate, he resolutely left home and went to find his cousin Wu Tianzhen. In this life, he does not want to repeat the mistakes of the original work. He must not only protect the only remaining seedling of the Wu family, but also rely on the sword in his hand to cut off the chains of fate that have entangled the nine sects for several generations, and carve out his own path to the sky in the world of tomb robbing. Thing!