In the barren state of the Wu Dynasty, the youth Yu Jin returned to the Yu Marquis Manor with a mysterious immortal cage and a yellow-skin demonic hound after his dao seed shattered and he wandered the wilderness for three years. To protect his younger sister Yu Xiaodie and find out the truth about his mother's mysterious disappearance, he faced doubts and heavy obstacles, once again embarking on the path of cultivation. However, the power bestowed by the immortal cage was accompanied by unbearable backlash, and past events hid even more secrets. Facing one test after another, Yu Jin relied on courage and perseverance to seek breakthroughs, and supported by family affection and faith, he stepped by step explored his own background and destiny.