Ryoichi Sato

The body of Kou Fujisaki, who fell to her death, is discovered in front of an old building in West Shinjuku. Chief Sakamoto notifies Ushio, who arrives at the scene. Ushio thinks that this must be a murder, but according to Yamaji, who was at the scene before him, an eyewitness testified that Kou had jumped off the roof of the building, killing herself. Kou is someone who has lingered in Ushio's memory - as a suspect...

Prosecutor Sakata of the Yonesaki District Public Prosecutors Office and his colleague Shoji are pulled into assisting the Tokyo Office’s Special Investigation Department to investigate influential Diet lawmaker Okouchi and Masumoto of a technical skills foundation. The two men are believed to be involved in a bribery case. But a key witness in this scandal commits suicide, and the next person believed to hold the key to the case, the foundation’s accountant, has disappeared.

Hirotoshi Honda, a teacher of a prestigious private girl’s high school, is arrested on suspicion of violating the nuisance prevention ordinance for molestation on a train and sent to prosecutor Sakata. High school student Reina claims he touched her buttocks in the packed train but Honda denies the crime and calls it a fabrication and claims he was blackmailed by Reina on the train platform. Reina denies his allegation. Even for a misdemeanor, Sakata believes not pursuing the truth is like death as a prosecutor.

The body of Kazuyoshi Kawagishi, a construction company worker, is discovered stabbed to death in Shinjuku Central Park in Tokyo. Detective Masanao Ushio of Shinjuku West PD begins an investigation and finds that the murdered Kawagishi was an honest person who didn't have any troubles. Kawagishi worked for a company in Kofu City in Yamanashi, leaving behind his wife and daughter on Awaji Island in Hyogo. He seems to have started working as a laborer 3 years ago, having fallen on hard times when the company went bankrupt. Saeko Kawamura, Ushio's reporter friend, calls him wanting to talk about the case. According to Saeko, Kawagishi was one of the survivors of the "bus hijack arson case" that happened three years ago. In the bus hijack arson case, a man who was hallucinating under the influence of dangerous drugs set fire to an intercity bus going to Shinjuku and departing from Kofu Station...

Masanao Ushio and other detectives from Shinjuku West PD discover the strangled dead body of a woman in an empty building in West Shinjuku in Tokyo. According to her husband Takeshi, the murdered Chieko Akiba was a top salesperson at the insurance company where she worked, but quit her job three months ago and planned to open a beauty salon after buying the building which happens to be the crime scene. The call history on her mobile phone reveals the victim answered a call at 8:16 PM and is presumed to have been murdered immediately afterwards. However, Ushio is surprised to hear who was on the other side of the call: Kyoko Yamano, a woman who accompanied Ushio under an umbrella on a rainy night one year ago and whose husband was killed by someone that very night...

A woman is murdered on a train and the station employees help to solve the mystery.

A woman is discovered strangled inside a car, and Inspector Muta of the Yamashita police station hurries to the scene! The relationship between the murdered woman and a suspect whom the new Assistant Inspector, Iwaki, has been pursuing for one year will soon become clear...

A trading company employee's girlfriend loses her memory while on a trip. In place of the friend who was supposed to have accompanied her the whole time is a mysterious man.

A travel writer on an assignment comes across a murder, tries and fails to chase down the criminal. He notices the corpse was switched for another one...