A girl from a drug store in Qi State has great knowledge in medicine since she was a child. In her hometown of Qingzhou, a phenomenon called "spring sex" has been spread inexplicably recently, which can cause people to have beautiful hallucinations. As a result, many people can't take care of themselves due to hallucinations, lose their minds and die. In order to prevent this phenomenon, the girl and the bamboo horse boy work together to explore the reasons, so as to tell the world about spring.
Purpose: Let the truth appear