INP

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.

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.

A group of terrorists has taken hold of the largest dam in Japan. They also capture the workers as hostages, and demanded $5 billion yen from the government with a 24 hour deadline in exchange for the lives of the hostages. To make things more complicated, there was a snowstorm and no one can get in or out near the area. Fortunately, the terrorists did not capture Togashi, the dam controller, and he is the only person who can rescue those hostages from the terrorists...

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...

A man arrives in the city upon news of a potential terrorist strike in Italy. He is Japanese foreign diplomat, Kosaku Kuroda, and he’s here under orders of his supervisor at the Foreign Ministry, Hiroshi Kataoka (Kiichi Nakai), to aid in the safeguarding of Japanese citizens. Kuroda’s main contacts at the Japanese embassy consist of Ambassador Kikuhara, Counselor Nishino, and fellow diplomatic envoys Haba and Tanimoto. All are busy preparing for the visit of Japanese Foreign Minister Kawagoe due to arrive for the high-profile G8 foreign minister’s meeting. Meanwhile, somewhere on the festively-lit streets of the city, a young Japanese girl has suddenly gone missing. Is it an abduction simply for ransom? Or could it be a prelude to terror?

At the turn of the 20th Century amongst tension between China and Japan, a Japanese swindler in Shanghai plans to profit by selling weapons. He steals arms from the Japanese military and sells them to the rich Chinese.

Shuji Mimura works as a broadcast writer. He learns that he doesn't have much time left to live. He decides to concentrate on the future of his beloved family. Shuji Mimura's final plan is to find the best man to marry his wife Ayako.