This seemingly peaceful world is not just inhabited by humans. All along, the little demons and fairies in the world have been living among us in human form. Among them, there are those who are kind-hearted towards humans and those who are wicked. The secret organization that maintains order and peace in this world is the hidden martial arts clan known as the Hidden Mist Sect. The evil demon Tian Xie attempts to use the power of Tai Sui to eradicate the Hidden Mist Sect and build a demonic kingdom, but unexpectedly, Tai Sui becomes attached to Wu Yin.

Based on the 2017 movie "The Thousand Faces of Dunjia". Zhou Tong, a constable in Luosha Town, has been obsessed with Wuyin Clan since childhood. He lived a peaceful life together with Zhou Shouyi, the magistrate of Luosha Town. Unexpectedly, they were framed by Jia Ming, the son of a squire in the township, and his father, Jia Youwei. Zhou Tong's father was wronged and jailed. Zhou Tong escaped fortunately. On the way, he met an elder of the Wuyin Clan who passed on the "Jia" in his body to Zhou Tong. Zhou Tong wanted to rescue his father with the power of "Jia", but could only watch his father be killed by the villain Bifang.