Burning fire burns the body, but the soul is immortal. Su Daji, the "enchantress who brought disaster to the country" who had been infamous in history books, was unexpectedly reborn in the flames of the overthrow of the Yin and Shang Dynasties, and came to the world again with a peerless appearance but a completely different soul - Yu Meng. In this life, she is no longer a nine-tailed demon fox possessing a human form, no longer a scourge that bewitches the king's heart and kills loyal people. Instead, she carries the unforgettable regret of her previous life and the sorrow for the broken mountains and rivers, and is determined to atone for her sins with a mortal body.
Destiny once again pushed her to face the great king Di Xin who had devoted all the world to her and who had been infamous for her for centuries. The king in front of him is no longer the drunken and lustful tyrant in his memory, but a man who has been deeply tempered by failure and exhausted, but has not extinguished the last trace of his kingly spirit. Yu Meng carefully concealed his astonishing identity. With his extraordinary intelligence, vision beyond the times and deep understanding of the people's livelihood, he stepped into the core of the reconstruction of the dynasty.
She transformed into a counselor and offered farming strategies to alleviate the famine; she used ingenious strategies to stabilize the hearts of the displaced people; she secretly mediated to gather scattered loyal and virtuous ministers; she even risked her own life to resolve internal and external troubles that threatened the new life. She gave everything she had just to help him revive his broken country and make up for everything he had destroyed with his own hands in his previous life. However, as her light became more and more dazzling, the pursuit of the remnants of the previous dynasty, the suspicion of the capable people in the world, and the growing but unspeakable complex feelings towards Emperor Xin deep in her heart all wrapped around her like shackles. When rumors of "the rebirth of the demon concubine" quietly arose, and when Di Xin's eyes on her gradually changed from admiration to exploration and unspeakable excitement, Yu Meng knew very well that the biggest crisis was