Synopsis: Li Xiao (played by Tang Junci), Caiyue, Tang Xiaoying, and Zhao Chenglong broke into the shadow forest with different identities, missions and love and hatred, and came to Xuanming City after many crises. They were chased and killed in the city. In order to seek the truth, they launched an investigation, but they were betrayed by Caiyue and induced to enter the Xuanming Cave to meet Fang Yu, the red refining poisoner. Caiyue also had a last resort. Everyone sees through the conspiracy of Wang Zhen (played by Tang Zhenye), the owner of Xuanming City, who wants to get the divine weapon Taibai Sword. The ultimate showdown.
