Su Qingshan, the successor of a Taoist temple, descends from the mountain to fulfill an engagement. He finds himself in constant conflict with Li Zhixia, who resists the arranged marriage, and her suitor Gu Yebai. With divination, traditional Chinese medicine, and business strategies, he repeatedly overcomes obstacles, gradually changing Li Zhixia’s attitude. When Gu Yebai and his father kidnap Li Zhixia and threaten the entire school with poisonous fog, Su Qingshan sets up a formation to resolve the crisis. In the end, the two overcome their misunderstandings and pledge their love to each other.