Story Structure — 4 Plot Phases
New Beginning
Natsumi resolves the hospital case and is transferred to Hokkaido, while mysterious murders begin in Tokyo.
Key Events
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Hospital Case Resolution — Natsumi resolves the terrorist case Characters: Natsumi Yukihira
Location: Police Hospital
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Transfer to Hokkaido — Natsumi transferred to Hokkaido Characters: Natsumi Yukihira
Location: Nishimonbetsu Police Station
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Tokyo Murders Begin — Grotesque murders with nails in bodies Characters: Victims
Location: Tokyo
Framed and Hunted
Kazuo is framed for the murders and seeks out Natsumi, giving her crucial information about a secret police organization.
Key Events
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Tokyo Murders Begin — Grotesque murders with nails in bodies Characters: Victims
Location: Tokyo
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Kazuo Framed — Kazuo's fingerprint found on victim Characters: Kazuo Sato, Victims
Location: Tokyo
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Kazuo Meets Natsumi — Kazuo finds Natsumi after being framed Characters: Kazuo Sato, Natsumi Yukihira
Location: Unknown
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USB Exchange — Kazuo gives Natsumi USB with police secrets Characters: Kazuo Sato, Natsumi Yukihira
Location: Unknown
Accusation and Investigation
Natsumi is arrested as a suspect, and prosecutor Murakami arrives to investigate the case.
Key Events
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Natsumi Arrested — Natsumi arrested as a suspect Characters: Natsumi Yukihira, Police
Location: Nishimonbetsu Police Station
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Murakami Investigation — Prosecutor Murakami arrives to investigate Characters: Katsuaki Murakami, Natsumi Yukihira
Location: Nishimonbetsu Police Station
Truth Revealed
The secret police organization is exposed, leading to a final confrontation between Natsumi, Kazuo, and the organization.
Key Events
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Murakami Investigation — Prosecutor Murakami arrives to investigate Characters: Katsuaki Murakami, Natsumi Yukihira
Location: Nishimonbetsu Police Station
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Secret Organization Exposed — Secret police organization revealed Characters: Natsumi Yukihira, Kazuo Sato, Katsuaki Murakami
Location: Tokyo
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Final Confrontation — Confrontation with the secret organization Characters: Natsumi Yukihira, Kazuo Sato, Secret Police Organization
Location: Tokyo
After detective Natsumi Yukihira brings an end to the police hospital terrorist case, Natsumi is transferred to the Nishimonbetsu Police Station in Hokkaido. Meanwhile, a series of grotesque murders occurs in downtown Tokyo involving nails placed in the body of the victims. The fingerprint of Natsumi's ex-husband, freelancer journalist Kazuo Sato, is found on the the body of a victim and Kazuo is placed on the most wanted list. Soon after, Kazuo finds Natsumi and hands her a USB memory stick. The device contains information on a secret organization within the police department. Kazuo tells Natsumi that the series of murders are warnings and suspects become the next victims. Natsumi is then arrested as a suspect. Tokyo prosecutor Katsuaki Murakami appears at the Nishimonbetsu Police Station to investigate.
