Hibiki Shimada, a normal 17-year-old high-school student, still does not know how to fall in love—although surrounded by love "experts"—until one day she realizes she's fallen in love with her hot and nice 26-year-old teacher, Itō. She then takes a path to make her teacher understand how she feels for him.

The story of a young man who has felt since childhood utterly alien from others around him. Since that time he has learned to put on a face to hide his alienation. He feels incapable of belonging to the human society, especially so by society's refusal to take him seriously. He then follows a descent into alcohol, drugs, & suicide ...

故事紧接着上一部展开。菊川玲二（生田斗真 饰）接受了上级布置的新任务——接近并取得黑社会头目轰周宝（岩城滉一 饰）的信任，找到后者犯罪的证据。一场意外的发生让玲二得到了进入轰周宝家中做他的贴身保镖的机会，在那里，玲二见到了老大的女儿轰迦莲（本田翼 饰），莲表面看来是一个单纯善良的女学生，实际上却是十足的混混。在迦莲的百般诱惑下，玲二能否守住对恋人纯奈（仲里依纱 饰）的忠诚？ 新上任的督察兜真矢（瑛太 饰）调动各方警力步步紧逼追踪着玲二的下落。与此同时，迦莲遭到了轰周宝的死对头樱骂百治（古田新太 饰）的绑架，被送往了地下人口拍卖会沦为商品。

看起来吊儿郎当的龙崎郁夫（生田斗真 饰）是新宿第二警署破案率最高的王牌刑警，这一天令系出名门的搭档日比野美月（上野树里 饰）大为光火。与此同时，盘踞在新宿的松江组若头段野龙哉（小栗旬 饰）以生意人身份从事各种违法犯罪勾当，他总能在适当的时刻得到情报，逃脱警方一次次的搜捕。看起来分明行走在黑白两条道路上而没有任何交集的两人，竟然有着难以割舍的渊源。郁夫和小龙在少年时均在孤儿院长大，他们曾度过快乐无忧的童年，但是最最敬爱的结子老师（广末凉子 饰）遇害给两人以沉痛打击。他们发誓一定要找出真正的凶手报仇，这对好兄弟以警察和黑道的身份，分头朝着最终的目标前进。 绵亘多年的复仇之战，无间双龙蓄势待发……

A seemingly random series of bombings in a provincial city. The latest target is a public bus route. Detective Chaya chased terrorists and arrested a mysterious man with keen intelligence and physical power. The psychologist in charge of evaluating him is Dr. Mariko. After the psychiatric examination, she puts toward a hypothesis – “Is it possible he was born without emotions?”