When Chen Xingyuan, a young ancient book restorer, was restoring a replica of the "Yongle Dadian" in a museum, he accidentally discovered a mysterious "glazed ancient scroll" hidden in a letter sleeve. After touching the ancient scroll, his body began to "corrode" - his right hand turned into glass, his pupils mutated, and the characteristics of the strange beasts in "The Classic of Mountains and Seas" appeared.
He was forced to get involved in the four-thousand-year-old struggle between the scroll keeper Ling Yue and the mysterious organization Zhulong Sect. Ling Yue reveals that the ancient scrolls are the key to connecting reality with the world of mountains and seas, and Mo Jun, the leader of the Zhulong Sect, attempts to use the ancient scrolls to open the "Abyss Gate" and swallow up the real world. Chen Xingyuan's mixed bloodline and special RH-null blood type have become an important medium for Mo Jun to realize his ambitions.
In order to stop the conspiracy, Chen Xingyuan and Ling Yue went deep into the Qingqiu River to search for the antidote "Emperor's Tree", but found that it was the Zhulong Sect's experimental base for manufacturing "eternal soldiers". At the same time, Chen Xingyuan's existence in reality was gradually erased - his family was forgotten, his job disappeared, and his identity was cancelled.
With the help of Wu Fan, a traitor from the Zhulong Sect, they discovered that a tracking spell had been buried in their blood. The final battle begins at the Thousand Steps of Zhongshan Mountain. Chen Xingyuan must destroy the core of the Emperor Xiu Tree before the erosion is completed to prevent the Abyss Gate from opening permanently. He faces the final choice: become the new guardian of the Abyss Gate, or end this cycle that spans thousands of years.
