在这部鼹鼠之歌喜剧/动作片中,由于涉嫌用枪支威胁“守法好市民”，当初以史上最差成绩从警校毕业的小巡警菊川玲二（生田斗真 饰）正式被署长酒见路夫（吹越满 饰）宣布开除公职。当他怒不可遏之际，却得知自己已被选为卧底，潜入关东头号黑帮数寄矢会，搜集会长轰周宝（岩城滉一 饰）操纵制造与贩卖毒品的证据。在经受了魔鬼教练一美先生（远藤宪一 饰）的折磨蹂躏后，玲二从头到尾焕然一新，走进了数寄矢会所控制的俱乐部，在此用鲜血结识了一生的兄弟——有着疯蝴蝶之称的阿湖义组的若头日浦匡也（堤真一 饰）。当他总算迈入黑道大门时，来自关西的蜂乃巢会则图谋挑起一场东西黑道大战争。站在风口浪尖的玲二，此时早已没有抽身的机会……
本片根据高桥升的同名漫画改编。
Reiji Kikukawa, who has a strong sense of justice, graduated from the police academy with the lowest score ever. He becomes a police constable, but is suddenly fired by the Police Chief due to "disciplinary" issues. In actuality, the firing is part of a carefully orchestrated plan. Reiji is ordered to become a "mole," an undercover cop. His target is Shuho Todoroki, the boss of the Sukiyakai gang. The group is the largest crime group in the Kanto area. Masaya Hiura, who works as a young boss of a Sukiyakai affiliated gang likes Reiji. While going through various hardships, Reiji works his way towards Shuho Todoroki.
世界需要有趣的人。バッチこーい！。爆炒处男。菊川怜二是这世上最帅的二逼。。剧情流水账--个人备忘。为何会想起冯小刚呢？。玲二是要怒发冲冠。啊啊啊啊看的好晚了5555。遭遇Cult新片，终于可以恶搞到底。有意思的黑道們。
| 文件名 | 格式 | 语种 | 地址 |
|---|---|---|---|
| 鼹鼠之歌(简繁字幕)The.Mole.Song.Undercover.Agent.Reiji.2013.1080p.BluRay. | ASS | 简体中文字 | |
| The.Mole.Song.Undercover.Agent.Reiji.2013.1080p.BluRay.x264.DTS-WiKi | ass | 简体 , 繁 |
