故事始自1985，横滨中央署刑事课刑警京极浩介（唐泽寿明 饰）在执行任务时遭遇爆炸而陷入昏迷，这一睡便是三十年时间。2015年的一天，沉睡良久的浩介意外醒来，睁开眼后发现这个世界已经发生了翻天覆地的巨变。时代的进步让他恍如乘坐时光机而来的古代人，曾经相濡以沫的妻子加奈子（和久井映见 饰）也不知何时另外组建了新的家庭。在引出一番混乱后，他被年轻有为的青年刑警望月亮太（洼田正孝 饰）逮捕。在此之后，浩介得遇当年的后辈和上司，并借助他们的帮助重归警察队伍。有趣的是，他被分配成为亮太的搭档。 一个是凭借热血鲁莽前冲的粗暴大叔，一个是崇尚智力和科技的新世纪青年，他们将上演怎样的故事呢？
Plot Summary:In 1985, Kyogoku is an unconventional but passionate to the point of over-eagerness detective who has solved many cases. He corners a violent criminal called Kagura, but at that moment, a bomb planted by Kagura explodes and Kyogoku slips into a coma for 30 years. One day in 2015, Kyogoku suddenly wakes up and visits his wife, Kanako. However, she has remarried and rebuffs him. Just at the moment he is behaving violently, he ends up getting arrested by a young detective, Mochizuki Ryota and brought to Yokohama Chuo Police Precinct where he is reunited with his former junior Suzuki and boss Kujira. Kyogoku quickly returns to his position as a detective. However, he cannot comprehend the latest gadgets and the "new wisdom". He keeps ignoring modern rules without a care and getting Ryota, who has been made his buddy, into trouble.
