Ph.D. candidate in Physics Mu Cheng He catches a third-year student in English Xue Tong cheating on an exam. When he even becomes the substitute teacher in her elective course Russian and makes her study with him after classes, her hatred for him only grows. Over time, however, Xue Tong discovers Teacher Mu’s true character and comes to secretly love him.
as Mu Chenghe
as Xue Tong
as Liu Qi
as Song Qiqi
as Zhao Xiaotang
as Mu Hai
as Xiao Zheng
as Young Mu Chenghe
as Bai Lin
as Li Jiahang
as Ye Fei
as Zhao Xiaotang's mother
as Mu Cheng He's father
as Zhao Xiaotang's father
as Sharen Nanhai / "Killer boy"
