Satsujin Bunsekihan (Drama series)

Ishi no Mayu

Suishō no Kodō

Chō no Rikigaku

Aku no Hadō

Plot
Following her late father, Touko Kisaragi joins the Metropolitan Police Department Investigation Division 1 as a detective. She is transferred to Section 11 under assisant police inspector Hideaki Takano. The series follows Section 11 as they confront a variety of murder incidents happening in Tokyo.

Each volume revolves around a different case.

Description
Ishi no Mayu adapts the first volume from Kazushi Asami's Keishichō Sōsaikka Jūichigakkari literary series.

Synopsis
Following her father who was a detective, Metropolitan Police Department Investigation Division 1 11th Section's Touko Kisaragi (Fumino Kimura) became a detective.

One day, someone was cemented on the floor in the basement of an abandoned building. The corpse was found. Why did the criminal kill him like this?

An investigation meeting begins, during which Touko is called by a criminal who calls herself "Toremi." A phone call is made to the investigation headquarters, and Touko becomes a negotiating partner.

Episode 1
Touko Kisaragi (Fumino Kimura), who succeeded her father who was a detective and became a detective in the 11th Section of the Investigation Division 1 of the Metropolitan Police Department. One day, in the basement of an abandoned building, a corpse with cement on the floor is found. From the only remains left on the scene, she arrives at a plaster statue called a "victim's mold" that resembles a corpse. As the investigation meeting begins, she receives a phone call from a criminal who calls himself "Toremi" and Touko becomes a negotiating partner. Toremi provokes the police while giving hints on the murder ...

Episode 2
Toremi calls the investigation headquarters and hangs up, saying "a second victim will come out." Touko and Takano (Aoki Munetaka) search the home of Izawa, the first victim, to get a clue about the criminal. There, they find a picture of a human bone and a letter. They read the story in the first investigation section, and while the mystery is being solved little by little, Toremi calls again. "Instead of telling the whereabouts of the next victim, Izawa and the second victim should announce to the media that they are murderers," he asked.

Episode 3
It gradually becomes clear that the two bizarre murders are related to an unsolved case 17 years ago.

However, it turns out that the influential suspect has already died, and clues have disappeared, making it even more difficult to identify the true criminal of the case. At this point, Toremi informs that there would be a third victim, and the tension increases. And Touko and Takano find out the existence of an important person who was involved in the incident 17 years ago...

Episode 4
Convinced that Toremi is Masato Yaginuma, the First Investigation Division requests an arrest warrant for Masato. Takano believes that Masato's father, Takaaki Yaginuma (Kenji Mizuhashi), was murdered by someone close to him, and infers that he carried out this plan for the revenge of his parents. And that person might be Toremi's third victim. There, Toremi calls and gives hints on where the third victim is. The police, who has embarked on a mass investigation, seems to have finally found their whereabouts...

Episode 5
Touko is transported to the hospital. The place Toremi told was a trap to lure the police, and there were no victims there. However, there were traces of the kidnapping of Masato as a child, which is the only clue. What happened at that place 17 years ago? Why did Toremi lie to the police? As the mystery deepens, the First Investigation Division notices that the important facts of the third victim arehidden. And as the incident is being elucidated, Toremi's true aim of his bizarre plan attacks Touko...