The film tells the story of the scholar Ning Caichen who went to Beijing to take the imperial examination. At midnight, he stayed at Lanruo Temple with the Taoist Yan Chixia. Unexpectedly, once he entered, he found a different world. The lights and wine were not like the human world. Many drinkers and beauties were happy. Little did they know that many beauties in Lanruo Temple were transformed by goblins. Among them, Qianlang and Xiaoqian, a pair of twin fox demons, were controlled by the grandmother to absorb the essence of middle-aged men in Lanruo Temple to enhance their own skills. Qianlang transformed into his sister Xiaoqian and used the beauty of gold to seduce Ning Caichen but returned in vain. Respecting his sincerity, he wanted to entrust his sister Xiaoqian to him, hoping that Ning Caichen would take his sister away from this place of right and wrong. When the grandmother learned about this, she was furious. On the one hand, Yan Chixia was determined to eliminate the grandmother but his magic power was not as good as hers. On the other hand, Qianlang and Caichen insisted on rescuing Xiaoqian. It happened that the grandmother was at her strongest. What should the three do?