Chen Xia is a fledgling teacher. His students are all marginal youths with poor academic performance. Chen Xia uses extraordinary teaching methods, such as home visits, catering to students' preferences, and even mending their family relationships, to resolve each student's problems and eventually win over the entire class! When everything is going well, Chen Xia meets the gangster Brother Ying. For the sake of his students, Chen Xia and Brother Ying start an ultimate battle to protect the students' future!