Truth Lane teenager Chen Haisheng is the "Quasimodo" in the eyes of his peers. His body is covered with bandages all year round and his other strange behaviors often cause others' curiosity and tease. In a fight, he broke the window with a stone. Under the pressure of many parents, the school dismissed him on the grounds of mental disorder, unless he passed the school's psychological test.Chen's mother could not bear her son's bullying and took Chen Haisheng home.Then a small incident occurred, which triggered another group violence, turning the lives of mother and son into a mess.