- Tokyo, the bayside borough of Odaiba: once a sleepy part of the city on empty, reclaimed land, it's now a bustling destination for hipsters and tourists alike. The local police precinct, long derided as a backwater, is inundated with missing kids, traffic congestion and all the details of community policing.
One day, a report of something suspicious comes in from near the famed "Rainbow Bridge" (connecting the reclaimed island of Odaiba to Tokyo itself). Bored with his everyday neighborhood duties and eager to get his teeth into a serious crime, Sergeant Shunsaku Aoshima (Yuji Oda) races over to the scene. He is met by a particularly gruesome sight; a dead body weirdly bound up and long dead.
However his involvement is short-lived. A unit from Metropolitan Police Headquarters barges in to assume responsibility for the investigation. His precinct is relegated to the role of playing host to senior officers, Superintendent Shinji Muroi (Toshiro Yanagiba) and his sidekick, Kentaro Shinjo (Toshio Kakei). Joining these two is Senior Superintendent, Hiromi Okita, (Miki Maya) a woman chosen to oversee the operation to alter the all-male image of the police department. With much expectation placed upon her, she's in no mood to make friends. Treating the local precinct as little more than her flunkeys, even alienating Muroi with her abusive treatment, she runs the investigation with a tough hand...