Story Structure — 4 Plot Phases
The Tokyo Murders
Hatakeyama's murder brings Goda into a case marked by a puncture wound and nine-millimeter cartridges. A similar killing raises the stakes, while senior officials try to limit cooperation between police teams.
Key Events
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Hatakeyama Murder — Hatakeyama is found murdered with a puncture wound and nine-millimeter cartridges among the evidence. Characters: Yuichiro Goda, Hiroshi Hatakeyama
Location: Tokyo
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Goda Joins the Investigation — Goda and fellow officers begin investigating Hatakeyama's killing. Characters: Yuichiro Goda
Location: Tokyo
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A Similar Killing — Another killing with similar head wounds is reported in a neighboring district. Characters: Yuichiro Goda
Location: A neighboring district
A Case Beyond Ordinary Crime
Goda defies efforts to restrict the investigation and finds clues suggesting motives beyond ordinary criminal activity. The inquiry turns toward former members of the Shugakuin University Alpine Club and the men connected to them.
Key Events
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Cooperation Restricted — Senior officials try to restrict cooperation between the police teams. Characters: Yuichiro Goda
Location: Tokyo
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Goda Defies Superiors — Goda pushes ahead with the investigation, angering his superiors. Characters: Yuichiro Goda
Location: Tokyo
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Clues Beyond Ordinary Motives — Goda uncovers clues suggesting the killings have motives beyond ordinary crime. Characters: Yuichiro Goda
Location: Tokyo
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Alpine Club Connection — The investigation leads toward former Alpine Club members connected to the case. Characters: Yuichiro Goda, Hiroyuki Mizusawa, Hisashi Nomura
Location: Shugakuin University Alpine Club history
The Club's Buried History
The club's history and a diary draw attention to an old Southern Alps expedition and Nomura's disappearance and later death. The shared past of the connected men emerges as a source of violence and secrets.
Key Events
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Deaths Among Connected Men — Several men connected to the group are dead, and Mizusawa remains central to the inquiry. Characters: Yuichiro Goda, Hiroyuki Mizusawa, Hisashi Nomura
Location: Tokyo
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The MARKS Initials — The investigation links several dead men to initials associated with MARKS. Characters: Yuichiro Goda, Hiroyuki Mizusawa
Location: Tokyo
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Old Expedition Resurfaces — The club's history and a diary direct attention to an old expedition and Nomura's disappearance and death. Characters: Yuichiro Goda, Hiroyuki Mizusawa, Hisashi Nomura
Location: The Southern Alps expedition history
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A Witness Describes MARKS — A witness describes MARKS as a demon or alternate presence in Mizusawa's mind. Characters: Hiroyuki Mizusawa
Location: Unspecified
The Search for Mizusawa
A witness describes MARKS as a demon or alternate presence in Mizusawa's mind and urges the police to find him. A locker key leads to a diary linking the dead men to the Alpine Club, while Goda's team revisits the unresolved past as Mizusawa heads toward the mountains.
Key Events
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The Witness Urges Rescue — The witness insists the police must find Mizusawa and gives them a locker key, pleading that they save him. Characters: Hiroyuki Mizusawa
Location: Unspecified
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Diary Links the Dead — The locker contains a diary connecting the dead men and the Alpine Club. Characters: Yuichiro Goda, Hiroyuki Mizusawa, Hisashi Nomura
Location: Locker
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The Investigation Revisits the Past — The officers revisit the expedition, Nomura's death, and Kihara's apparent suicide as they close in on Mizusawa. Characters: Yuichiro Goda, Hiroyuki Mizusawa, Hisashi Nomura
Location: Unspecified
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Mizusawa Flees Toward Mountains — Goda's pursuit exposes the past's hold on the killings as Mizusawa heads toward the mountains; the precise resolution remains uncertain. Characters: Yuichiro Goda, Hiroyuki Mizusawa
Location: Toward the mountain Mizusawa had promised to climb