The play mainly tells the story of Shen Shanxiao, a mathematics teacher with a special constitution, who has experienced many bizarre things on campus. The story of the teacher's earthbound spirit Xiaoqian, Xiaoqian and Shenshanxiao working together to solve strange problems on campus
Shen Shanxiao has 12 years of teaching experience, once Shen Shanxiao was transferred to Xiaoyuannan Middle School. In Xiaoyuannan Middle School, Shen Shanxiao has to face a group of problem students. Behind Shen Shanxiao's indifference and calmness, there is an extraordinary secret, that is, Shen Shanxiao can see all ghosts.
Shen Shanxiao lived in an apartment, and there used to be a teacher Xiaoqian who died of stress and depression in the apartment. Qian is currently an Earthbound Spirit. Because of the psychological trauma left by Shen Shanxiao in the previous school, Shen Shanxiao also decided to just do her own job well in the new school and not care about things that have nothing to do with her. In the end, Shen Shanxiao met Xiao Qian who was too enthusiastic, and Xiao Qian also subtly affected Shen Shanxiao's attitude. In the end, the two worked together in the school to solve various problems on the campus.