Story Structure — 5 Plot Phases
Rain, Tracks, And Clues
Tajima investigates the old murder after a laborer disappears during heavy rain. The storage facility, small footprints, lodging-house traces, and warning-bearing bill create an unsettling trail.
Key Events
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Old Murder Reopened — Tajima investigates a decades-old murder connected with Amagi Pass. Characters: Matsunojo Tajima, the cop, Police in chief
Location: Amagi Pass
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Laborer Disappears — A laborer disappears during heavy rain, prompting a search. Characters: Police in chief
Location: Mountain area
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Storage Facility Found — The search leads police to an ice-storage facility near the mountain. Characters: Matsunojo Tajima, the cop, Police in chief
Location: Ice-storage facility
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Fresh Footprints Found — Fresh bare footprints measuring 22.8 centimeters appear in the sawdust. Characters: Matsunojo Tajima, the cop, Police in chief
Location: Freezing room
The Runaway's Testimony
The investigation turns toward Kenzo, a fourteen-year-old runaway. He describes crossing Amagi Pass, meeting Hana, and separating from her near the tunnel.
Key Events
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Small Footprint Theory — The small prints suggest that a woman or young person entered the freezing room. Characters: Matsunojo Tajima, the cop, Police in chief
Location: Freezing room
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Strange Traveler Reported — Witnesses describe a strange traveler and disturbing traces at a lodging house. Characters: Matsunojo Tajima, the cop, Police in chief
Location: Lodging house
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Peach Tattoo Clue — A peach tattoo and a warning-bearing one-yen bill deepen the mystery. Characters: Matsunojo Tajima, the cop, Police in chief
Location: Lodging house
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Kenzo Identified — The investigation turns toward fourteen-year-old runaway Kenzo Onodera. Characters: Matsunojo Tajima, the cop, Kenzo Onodera, Police in chief
Location: Police investigation
A Story Under Pressure
Kenzo denies any knowledge of the murder or storage facility. Tajima discovers that Kenzo's foot size and unexplained movements conflict with his account.
Key Events
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Kenzo Gives His Account — Kenzo says he crossed Amagi Pass on June 28 and met Hana. Characters: Matsunojo Tajima, the cop, Kenzo Onodera
Location: Investigation setting
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Meeting Near Mountain — Kenzo and Hana talk while walking toward the mountain. Characters: Kenzo Onodera, Hana Otsuka, prostitute
Location: Road toward the mountain
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Separation Near Tunnel — Kenzo claims he and Hana separated near the tunnel. Characters: Kenzo Onodera, Hana Otsuka, prostitute
Location: Tunnel near Amagi Pass
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Kenzo Denies Knowledge — Kenzo denies knowing about the murdered laborer or storage facility. Characters: Matsunojo Tajima, the cop, Kenzo Onodera
Location: Investigation setting
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Account Fails Evidence — Tajima finds that Kenzo's account does not fit the physical evidence. Characters: Matsunojo Tajima, the cop, Kenzo Onodera, Police in chief
Location: Amagi Pass investigation
The Hidden Sleeping Place
The investigation develops the possibility that Kenzo sheltered inside the storage room during the storm. Tajima later recognizes how the ladder and boards could have hidden him above the sawdust.
Key Events
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Foot Size Matches — Kenzo's reported foot size matches the bare footprints. Characters: Matsunojo Tajima, the cop, Kenzo Onodera
Location: Amagi Pass investigation
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Route And Money Conflict — Kenzo's lack of money, route, and overnight movements remain unexplained. Characters: Matsunojo Tajima, the cop, Kenzo Onodera
Location: Route to Yuga
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Storage Refuge Theory — Tajima considers that Kenzo took refuge in the storage room during the storm. Characters: Matsunojo Tajima, the cop, Kenzo Onodera
Location: Ice-storage facility
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Ladder And Boards Reconsidered — Years later, Tajima realizes the ladder and boards could conceal someone above the sawdust. Characters: Matsunojo Tajima, the cop, Police in chief
Location: Ice-storage facility
Suspicion Without Judgment
Kenzo's whereabouts on the day of the murder remain unresolved despite his return home. Forty years later, the statute of limitations prevents a legal conclusion, leaving Tajima with suspicion and regret.
Key Events
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Kenzo Returns Home — Kenzo eventually returns home on June 29, but his murder-day whereabouts remain unclear. Characters: Kenzo Onodera
Location: Kenzo's route home
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Tajima Suspects Kenzo — Tajima concludes Kenzo was probably in the facility and may have caused the laborer's death. Characters: Matsunojo Tajima, the cop, Kenzo Onodera
Location: Tajima's reconstruction
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Case Beyond Limitation — Forty years later, the fifteen-year statute prevents legal resolution, leaving suspicion and regret. Characters: Matsunojo Tajima, the cop, Kenzo Onodera, Police in chief
Location: Legal aftermath