Sakamoto was in heated disagreement with Principal Chida over teaching methods. So much so that he was ordered off the Board of Education. But he is back teaching at Sakura Middle School. Recently there has been a spate of young crime. Even Sakura has to deal with new problems like drugs and sexually transmitted diseases. Kinpachi returns to a school system in tumult. What problems will he confront and what message will he have for us? Keep and eye on class 3B over the next six months.

教育理念をめぐり校長と対立した結果、異動を命じられて桜中学を去った金八が、2年の月日を経て桜中学に帰ってくるところから始まる。犯罪の低年齢化がすすむなど、中学生や地域社会を取り巻く環境が急速に変化していく現代、中学生のドラッグ使用という、衝撃的な事件が起こる。子供から大人へと成長するにあたり、最も重要な中学3年生という多感な世代を相手に、金八は何を思い、彼らに何を語りかけるのか？