In the early years of the Republic of China, the Institute of Biology of the Northwest Science Society received a mysterious letter, learning that there were mutant creatures infesting the sandy sea, so they sent an exploration team to the biology laboratory, but they were almost wiped out. Liu Mengxi (played by Xiao Bo) and Xia Xuan (played by Yu Xinyan) escaped as survivors with the samples, but they met the agency in Sand Dune Town. The samples were damaged and exhausted. Decoration) rescued. The two of them found that almost only old, weak, sick and disabled were left in Sand Dune Town, and outside the town, the monster seemed to have heard something and was quietly approaching Sand Dune Town...
Sun Xiaotian who recovered the mana, began a spiritual journey with Dongfang Mo,Yang Jiuli, and Ting Ting. They traveled all the way west, passing through the Ewha City in the Black Bone Mountain of Xiaomanguo. Under the guidance of strange crying, they rescued Su Luoying, the daughter of the "black wind old demon" in the legend of Ewha City. Sun Xiaotian met Su Luoying's princess Huo Fenghuang in the process of helping Su Luoying to resolve his internal resentment. Sun Xiaotian and his team found the sleeping black wind old demon together with Huo Fenghuang. Unexpectedly, things are here, far from over, the real behind-the-scenes master of Ewha City has someone else.
The film tells the story of the demon ancestor who has grievances in the world is about to appear. In order to defeat him and save people, Dongfang Mo (Lin Yu decoration), Ting Ting (Yi Zhengfu decoration) and merit master (nine hole decoration) are looking for The incarnation of the god monkey-Sun Xiaotian (Xie Miao).
In the city of Suzhou, the demon seized the rule, the mage protected the people, and opposed the demon clan, but overnight, with the unidentified millennium green snake emerged, the monsters died mysteriously, and humans were also panic-stricken. The new mage Fan Hai shot down the demon, but unexpectedly discovered the secrets of the monsters encircling the millennium snake demon. For a time, the wind of Suzhou City was surging, and the terrifying conspiracy hidden behind "peace" surfaced.
