陈侠,一位初出茅庐的教师,他的学生全是品学皆劣的边缘青年,陈侠运用非常教学的手法,从家访、投其所好、甚至修补各人的家庭关系,化解每位学生的问题,最终把全班学生收服!一切向好之际,陈侠遇到黑道人物鹰哥,为了学生,陈侠跟鹰哥展开一场守护学生前途的终极大战!A high school is in crisis, the students are under-performing and preoccupied with non-academic activities. Henry Chen, aka Big Brother, a teacher with rather rusty writing skills yet armed with the most knowledgeable fists and heart of steel, comes to enlighten and inspire the students with his unconventional teaching methods. Just as the kids are improving their work and enjoying the merits of the educational system, trouble follows. An opportunistic entrepreneur creates havoc by sending in a motley gang of fighters to win over the land. Their approach, however, isn't all that persuasive with Chen as he and his beloved class are going to give the unwelcome guests the benefits of a real education.