Four participants playtest a virtual reality game that is still under development. The game uses AI simulated NPCs and system dynamics to generate a world with features not created by the developers, and perhaps beyond human understanding.

Xiaobai finally found Xu Xian, the reincarnation of Axuan, after 500 years, the two met on the Broken Bridge. Xiaobai and sister hid in the streets and alleys, started a lively life in human world with him and his brother-in-law Li Gongfu.