In the new semester, the aloof and reserved Xia Zuo is targeted by transfer student Fu Can. The two not only become front and back desks, but also unexpectedly become neighbors. As a series of hippie incidents occurred, one of them disliked the other, and finally they were able to have a sincere heart-to-heart relationship. But youth always seems to hide many secrets, and gradually Xia Zuo also discovers that Fu Can is not an innocent boy, and he has a purpose in getting close to him - all the reasons can be traced back to twelve years ago, the man with demonic obstacles, the hallucinogenic Xue Mi San, and the woman so beautiful that she attracts evil...
On the other side, the loyal dog Zhaoyan discovered that his friend Tang Shiyu, who grew up together, had begun to distance himself from him since he entered high school - he had obviously experienced excessive physical contact and disgusting words before, so why is everything no longer possible now? Has it become her? Or Tang Shiyu? It's hard to know a girl's thoughts…