《头师父一体2》讲述了黑帮头目都锡（郑俊浩 饰）在这一集中进入大学学习，并即将毕业，围绕着都锡在帮中的地位问题，帮众们的意见仍然不统一。而即将毕业的都锡选择进入高中当伦理老师来完成实习，得力干将成滔（郑雄仁 饰）与椰子头（郑云泽 饰）仍然不离左右，成滔在大学期间代替都锡上课并身陷情网，椰子头则一如既往好心办坏事。都锡的授课生涯充满了意外，班上学生之中居然有同样补习文化的帮中大佬，而这所学校，在校董和急功近利的教师操纵下，充满了不公和势利。都锡为了保护大佬不受学校混混的欺负竭尽全力，同时又花心思释放被学业桎梏的学生们，黑帮教师的困难，谁人知晓？Doo-sik (JUNG Jun-ho), the number two of a leading gang, the D-Dogs, is full of ambition and expectation, for his once in a life time opportunity to be back to school not as a student, not a guard, but as a student teacher! It's really something for him, 'cause he already failed to complete his high school course years ago. Now it's kind of a second chance for him. He just interprets this teaching practice as something like a social adaptation course for the prisoners who are going to be freed and back to society soon. B...
