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The crime series starring and directed by Hitoshi Ozawa.
Shinjuku Kabukicho, Asia's largest entertainment district. Gangsters and the Chinese mafia are vigilantly targeting the town's huge concessions. One day, Detective Kumada, who belongs to Section 4 of the Shinjuku Chuo Police Department's anti-gang team, receives information that a bomb has been planted somewhere in Kabukicho...
Set in Shinjuku's Kabukicho district, a town that never sleeps, a detective in charge of the Investigation Section 4, known as "Marubo", takes on the underworld, including numerous fights and terrorist attacks. T The Kinugawa clan has been decimated. Behind the scenes, the shadow of the Black Dragon is hidden. At the same time, a threatening letter arrives with an arson threat addressed to the Governor of Tokyo, and the security system is strengthened, but someone makes the first move. The confused police suspect that someone is leaking internal information...
Kumada is arrested for the murder of the Chief. He denies the charge, but the bullet removed from the Chief's body matches the bullet from Kumada's gun, and the situation becomes increasingly unfavourable. Just then, Kumada receives a threatening phone call on his mobile phone, threatening to assassinate the Governor of Tokyo. Furthermore, a war breaks out between the Black Dragon and the Kinugawa clan...
Kumada is mistaken for the culprit at the scene of an assassination attempt on the governor of Tokyo and is escorted away. Meanwhile, a bomb threat is announced at the police station and the station is blown up. Kumada finally returns to the investigation amid suspicions that there is a spy among his own people. He sets out to get to the bottom of the case.
Sakuma, who was supposed to be dead, is alive. This brings the terror case to a sudden development. Kumada continues his investigation and tries to find a solution with the help of Kajiyama of the Kinugawa gang. Meanwhile, at the task force, a surprising relationship between the perpetrators and the police comes to light during the identity investigation.