After ten thousand years of growing weary of the Underworld's dull routine, Meng Po insists on quitting and heading to the mortal realm. Using another person's body, she becomes Meng Xiaotang, wife of domineering CEO Gu Yunxiao. On their wedding night, her husband mistakes her for being unfaithful and demands a divorce. With her powers over yin and yang, she juggles the chaotic daily life of a wealthy family while guiding restless spirits and bridging the worlds of the living and the dead. As the CEO and his family gradually discover her true identity, the entire household is thrown into a hilarious panic.