杀出狂人镇

Nicky从他的匪帮老板那偷了钱，事关生死，他又向Micky求助。Mikey再次现身出手救他。克服了Nicky的偏执和恐惧带来的困难，Mikey带他离开了躲藏的旅馆，开始帮他计划出逃。但是，NICKY不停地修改计划，杀手又追踪而来。逃跑的时候，两个好友面对着被判、悔恨，友谊和本能自卫进行着较量……

Chan-woo, who has been studying to become a police officer for 5 years, joins his friends for dinner to ask for the money to apply for his exam and ends up getting drunk. He completely blacks out and wakes up not remembering what happened in his next door neighbor's room. Not only that, he finds a bloody corpse in the middle of the room. He hurries back to his room and tries to report the incident but he had forgotten his phone in the other room. But the door is locked and he has to resort to using a rope to swing to the next door room outside the window. Once the phone is recovered, he cannot go back because of a group of cultists who are evangelizing the neighbors in the hallway. He knows it’s the last day to apply for his exam and gets antsy as time is running out.

大嘴（林晓凡 饰）与同班的猴子（张一山 饰）是从小玩大的伙伴，同时大嘴对女孩小小（赵文琪 饰）也颇有好感，如今暑假来临，再开学就上高中了。猴子的表哥杰森（周立铭 饰）从海外回来，他是个Hiphop狂热爱好者，倔强的性格致使他与校篮球队长李威（王伟 饰）一见面就发生了严重冲突，双方在互殴中毁坏了溜冰场的设施，参予其中的大嘴被责令赔偿损失，大嘴的父亲老林（王志刚 饰）无奈地接受了现实。大嘴想参加每年一度的篮球比赛，赢得冠军奖金一万元，用这钱来赔偿溜冰场的损失。大嘴、猴子和杰森在联赛中发挥出色，很受媒体关注。冲突的另一方，李威的父亲李建国（王伟光 饰）却不甘心大嘴他们出风头，他要给对方使绊，以确保儿子能卫冕冠军。半决赛前夕，老林发现大嘴中考成绩不及格，一怒之下打了儿子，大嘴还能进入决赛吗......

张忠洞（郑俊浩 Jun-ho Jeong 饰）被上司派遣在黑社会组织里做卧底，执行一项特殊的任务。多年来他一直在组织的底层活动，没法摸清这个组织的真实情况。在一次行动中，他鬼使神差的救了帮会老大的命，这让他一下子成为了这个黑社会组织的头目之一。与此同时在特警组，原是黑社会组织里一名小娄罗的李濡灿 （郑雄仁 Woong-in Jeong 饰）被秘密安插到这里做了眼线。因为掌握了别人不可能知道的“秘密资料”，他连续破获了几起重大案件，这也让他迅速荣升了特警组的头号人物。这之后，春风得意的李濡灿和警署的一名女特警陷入了爱河，这一切都被黑社会组织看在眼里。是警察还是黑社会？李濡灿开始弄不明白自己的身份，对于张忠洞来说也是这样。就这样，来自黑白两道的卧底在自身身份逐渐模糊的同时阴差阳错的相遇在一起，一场警察与黑帮之间笑料百出的超级韩版《无间道》上演了……