在征伐连年的战国乱世，突然出现了一个身着21世纪服装的高中生，他叫三郎（小栗旬 饰），因不小心从山坡上跌落下来而离奇地穿越了时空。一头雾水的他稀里糊涂和与自己长得一样的织田信长（小栗旬 饰）互换了身份，随后被家臣们拉拉扯扯带回了城中。此时尾张家所处的形势非常不妙，其被美浓、甲斐、今川团团围住，随时都有倾覆的危险。在内信长的弟弟信行（柳乐优弥 饰）则图谋继承家业，而斋藤道三的女儿归蝶（柴崎幸 饰）更对信长冷眼相待。三郎被战国的血腥残酷所震慑，他在此期间还意外发现其他从未来穿越而至的人。一个对历史没有半点积累的小青年，就这样肩负起左右日本命运的重任。三郎版的织田信长，最终能否夺取天下？
本片根据石井あゆみ的漫画原作改编。

High school student Saya Toma lost her parents and younger brother in an airplane accident. Detective Akio Kondo came and told her "your family has a high possibility that they were killed by people who have spec." That was the first time she heard of "spec". 6 years later, Saya Toma, who has never forgotten what the Detective said, decides to become a detective. She returns to Japan after receiving training by the FBI in the United States. Saya Toma is assigned to work unsolved cases in the Public Security Bureau. Meanwhile, because of Satoshi Chii's scheme, Juichi Ninomae considers Saya Toma his parents' enemy and tries to push her to the edge. Satoshi Chii's scheme has also caused Saya Toma and Juichi Ninomae to forget that they are brother and sister. The siblings are headed to a life-staking fight. A girl named Maho Ueno becomes involved in their fight. To protect Maho Ueno, Saya Toma uses "spec".

2012 film by Takeshi Kitano

三木律师事务所的菜鸟黛真知子（新垣结衣 饰）为了帮一起谋杀案的当事人洗刷清白，在社长秘书泽地（小池荣子 饰）的指点下，找到了传奇律师古美门研介（堺雅人 饰）。古美门拥有极高的辩护才能，为了赢得胜利不惜使用任何手段，他至今保持着骄人的全胜纪录，也曾经是三木（生濑胜久 饰） 麾下的得意门生。但是5年前的一起事件导致这两大律师界巨擘的决裂。看在巨额律师费的份上，古美门同意出山，他凭借巧舌如簧、颠倒黑白的能力赢得诉讼。在此之后，黛加入古美门的事务所继续作为律师的修行，而接下来一连串的官司又将古美门和三木沉疴已久的旧怨重新摆上桌面。
这也是一场法律和正义的较量……