Chen Changsheng, a youth with an enigmatic background, is fated by prophecy to die before reaching twenty because of his special physical condition. Determined to change his destiny, he follows his master's instructions and journeys to the human realm's Divine Capital, carrying a marriage agreement. His aim is to achieve the top rank in the highest-level Grand Imperial Examination, thus earning the chance to enter the Tomb of Heavenly Books and study its steles in search of a method to prolong his life. In the Divine Capital, the marriage contract entangles him in intricate power conflicts involving the Saintess Xu Yourong. Soon after, a larger threat arises: the demon race's forces begin covertly mobilizing, scheming to overthrow humanity. Drawing on his extensive knowledge, Chen Changsheng makes his first appearance at the Ivy Banquet and subsequently wins first place in the Grand Imperial Examination, securing entry to the Tomb of Heavenly Books. There, he not only grasps deep cultivation techniques but also discovers a link between his own origins and a major conspiracy from years ago. After leaving the Tomb of Heavenly Books, Chen Changsheng enters the Zhou Garden secret realm alongside companions like Xu Yourong, Luoluo, and Tang Thirty-Six. Inside the Zhou Garden, they engage in a direct confrontation with the demon race. Chen Changsheng eventually inherits Zhou Dufu's legacy and uncovers the startling possibility that he may be Crown Prince Zhaoming. This revelation places him squarely at the center of the storm.