Programmer Su Mu accidentally traveled to the derivative universe of "Legend of Sword and Fairy III". He met the protagonist Jingtian and existed in a form similar to a "guardian spirit". With the cultivation given by the system, he planned to change the tragic fate of Jingtian, Maomao and Biping.
As the plot develops, Li Xiaoyao is ordered by the Empress Nuwa to travel back to fifty years ago, where she interacts with Su Mu and Jingtian, and begins to interact around the face pendant.
In this series of events, Su Mu continued to explore the system's functions, working hard to change the trajectory of destiny step by step under restrictions, trying to bring a different ending to this world full of regrets.
