Demon exterminator Sun Zheping was dissatisfied with the behavior of the pavilion master who let monsters into the city and was indifferent to the attempt to profit from them. He went out to slay the demons at all costs. On the way, he met Zhang Jiale, an old acquaintance of the flower demon, and Tang Hao, a kitten demon who wanted to save his younger brother. One man and two demons went together to save the village.