In the late Tang Dynasty, General Qian Liu and his troops encounter a fearsome two-headed beast while battling river pirates. As the creature escapes to the Qiantang River, it unleashes destruction, threatening the lives of all in its path.
Liu Qian Zhi, a disciple of the Buyu Sect who subdues demons and slays demons, accidentally met Xiao Qing, a fish demon who wanted to cultivate into a dragon. Xiao Qing lied that she was also a demon exorcist in order to prevent others from discovering her identity as a fish demon. After that, the two set on a journey together and experienced various difficulties and obstacles.
According to the real deeds, the play tells that Huang Wenxiu came out of the countryside. After graduating from graduate school, he gave up the opportunity to work in a large city.
In the time of the Yi, Humans, the Wolf tribe and the Witches lived dangerously together on the land of Zhangzhou. The divine maiden of the Witch tribe, Mi Qiqi, was banished from her tribe and is then embroiled into the fight of king Lu Ao's harem. The two eventually joined hands to calm the chaos of the three tribes.