原本是上班族的青岛俊作（织田裕二饰）突然对一成不变的上班族生活感到厌倦，而参加了国家公务员考试，成为了一名警察。幻想着像影视剧中威风工作的青岛，却在第一天上班就碰了壁：出现紧急杀人事件，女同事小堇（深津绘里饰）却忙着审问小偷；想要开警车，却发现要课长、局长层层批示才能给车钥匙；来到案发现场，却因为案发现场在辖区管辖范围街对面，而无法插手。青岛俊作对这样的工作感到失望，还好有老警察和久先生(碇矢长介饰）鼓励青岛。青岛决定从小案件开始做起，不想凭借他出色的洞察力，阴差阳错地破获了一个又一个惊天大案。融合了上班族生活与侦察案件的《跳跃的大搜查线》故事，搞笑与紧张相互推动的奇妙剧集在此呈现。

After Detective Shunsaku Aoshima is promoted to section chief he has the daunting task of dealing with eight cases at the same time, which includes a murder case, bomb threat, and a bus hijacking. Complications also arise between Detective Aoshima and his juniors.

Set 2 years after prior film "Bayside Shakedown 3: Set the Guys Loose," a major case occurs that has the potential to take down the entire police organization. For the next 3 days, Shunsaku Aoshima and his colleagues struggle to unravel the case...

阳光明媚的一天，湾岸警署照例吃喝玩乐，歌舞升平，特别是强行系青岛俊作（织田裕二 饰）和搭档们又搞出一连串的麻烦，令成为他上司的真下正义（中山裕介 饰）大为光火。与此同时，湾岸署喜事临门，王明才（滝藤賢一 饰）即将和日籍恋人结婚，为了庆祝这一象征中日友好的大戏时刻，青岛自告奋勇担当婚礼干事，原本就公事繁忙的强行系，不觉间又增添了许多的压力。在此期间，小王、和久伸次郎（伊藤淳史 饰）、篠原夏美（内田有紀 饰）、緒形薫（甲本雅裕 饰）、恩田蓳（深津绘里 饰）也各有各的烦恼。
围绕着湾岸警署的闲杂琐事，各种大小案件也层出不穷，丰富着这群不靠谱警察每一天的生活……

The movie takes place again in the fictional Wangan Station of the Tokyo Metropolitan Police Department the once empty space within Wangan's jurisdiction has become a popular tourist attraction. When a string of murders of company execs begins taking place, Aoshima jumps at the opportunity to pursue something other than his current case, which he finds less than inspiring. However the powers that be have other ideas, and Wangan again plays host to a special investigation team from headquarters. Aoshima's friend Superintendent Shinji Muroi, assigned by headquarters to assist Okita, is again powerless to help the local officers as decisions are made by the higher ups.

Aoshima, a police detective working in the Bayside Precinct, is continually frustrated by the hierarchy and red tape that plague the system. His friend Muroi is climbing the ladder of the police bureaucracy. Muroi has made a pact with Aoshima that while Aoshima looks after the streets, Muroi would make life easier for the cops on the beat. One day in Bayside, a series of events turns the small station upside down.

1998年10月，卧底假扮业务员一个月的刑警青岛俊作（织田裕二饰）回到的原来的岗位——警视厅湾岸警察署刑事课。本以为可以休息片刻，但新案件接踵而至。放火杀人未遂事件引起警方注意，押解嫌疑人的途中，小堇（深津绘里饰）等人在处理另一个事件的途中，让嫌疑人逃脱了，小堇因此被总部调查。青岛为了小堇，誓要逮捕犯人，还小堇青白。但此时，青岛与警视庁刑事部捜査一课管理官室井慎次（柳叶敏郎）的信赖关系却出现了裂痕。高层的跟踪调查，嫌疑犯的不知所踪，青岛陷入了前所未有的危机之中。
《跳跃的大搜查线》系列电视剧特别篇第3部。

1997年12月27日，警视厅湾岸警察署全体在新年前夕依然繁忙的工作着，当然，除了无所事事的几位高层。是夜，商店街发生了绑架事件，突然从人群中冲出一个青年，轻轻松松将绑匪制伏。原来是传说中的青岛俊作（织田裕二饰）刑警回来了！因事件调离的青岛在新年之前调回湾岸署，但各个课室都不愿意接收这位爱惹麻烦的问题警察。从警务课、交通课、生活课，各个课长都像踢皮球一样不想青岛来工作。但青岛却乐在其中，在工作中，细心的青岛又发现了强盗犯罪事件的线索，犯人凶残似乎威胁到了警察署内部！1997年的最后几天，注定因为青岛俊作的努力工作而不平凡！
《跳跃的大搜查》系列电视剧特别篇第1部。