Reiko Himekawa became an assistant inspector for the homicide section at the age of 27, despite not being on the career track. As the only female section chief in the First Investigative Division, she leads ‘Team Himekawa,’ with her intuition, concepts and energy, and begins to solve many cases.
Meanwhile, her older subordinate Kazuo Kikuta, is initially skeptical of her dangerous investigation techniques when he is transferred to the team. However, he gradually comes to realize her potential and charm, as he begins to grow special feelings towards her.
Another main character to watch out for is, Reiko’s rival, Kensaku Katsumata, an assistant inspector with the Fifth Section. Although the character boasts an overwhelming record in the number of arrests, his occasional illegal investigation methods draw suspicion.
Daiki Shigeoka (Johnny's WEST)
Momoko Kikuchi (Special Appearance)
Kazuo Kikuta from the First Investigation Division gets positioned in the “Team Himekawa” division led by Reiko Himekawa. Meanwhile, the First Investigation Division sets up a special headquarter for a murder case. When Kazuo goes to the headquarter, he realizes that there’s no sight of Reiko.
These days, the atmosphere in the Investigation Unit seems to be calm and peaceful. However, somehow, this seems to be making Reiko Himekawa irritable, as she tries to look for some work. Meanwhile, whilst Kazuo Kikuta and the others seem discontented with her ways, Reiko ignores their opinions as she eventually manages to find new leads to a major case.
Reiko Himekawa and Kazuo Kikuta realize that the murdered victim may actually be a completely different individual from their first analysis, and immediately report about this to the investigation headquarter.
Reiko Himekawa gets called up by a medical practitioner, regarding a man who had died from a suspicious death. It turns out that hepatic failure was the cause of the man's death. Meanwhile, another man passes away due to the same reason, and Reiko begins her investigations for the possibility of consecutive run of murders.
A body of a man in his 50's is discovered in an apartment, due to a stabbing incident.
Meanwhile, when Reiko Himekawa immediately attends the murder site, she receives
an explanation from the on-site officers which leads to the start of a new inquiry.
What is the hidden truth behind the mysterious street ripper!? Team Himekawa unite as one to uncover the case together. And, the link between the ripper and the victims gradually get revealed…
A member of a major gangster group is murdered. Due to the way the victim had been severely slashed on his face, investigations suggest that a serious weapon had been used for the killing, and Team Himekawa begin a major operation to uncover the case...
A crucial figure arises which may give clues as to the murder of a gangster leader. Meanwhile, Reiji Himekawa realizes that due to complications of a cover-up by the cops, she makes sure that Kazuo is not influenced by all of this.
After a consecutive run of incidences, which has left many dead, Reiji Himekawa is heavily affected by the entire turn out of events. Meanwhile, the cops decide to hold a press conference.
A body is found at a building in Ikebukuro. Despite finding no evidence of specific weapons being used, the internal organs seems to have been badly damaged with 27 broken bones. What could be the reason for all of this…
The “Blue Murder” has been continuously slaughtering in the darkest shadows of Ikebukuro. Meanwhile, it turns out that the killer is using some kind of a special weapon to completely dismantle bones inside the human body...