Story Structure — 5 Plot Phases
The Note at the Crime Scene
A company employee is found murdered with an old note in his mouth. Investigators examine his last movements, but a clean weapon and failed security camera limit the available evidence.
Key Events
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Employee Found Murdered — A company employee is found murdered with an old note stuffed in his mouth.
Location: Unspecified crime scene
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The Last Known Movements — Investigators learn the victim left a company gathering after receiving a call from a nearby pay phone. Characters: Dong-geun
Location: Company gathering and nearby pay phone
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A Difficult Crime Scene — The weapon is clean and the security camera is out of service, complicating the investigation. Characters: Dong-geun
Location: Unspecified crime scene
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Recent Connections Examined — Detectives initially focus on the victim's associates and financial disputes. Characters: Dong-geun
Location: Investigation
A Decade of Buried Abuse
Dong-geun argues that the note's date points beyond the victim's recent business connections. The inquiry uncovers military cruelty, Sung-hyun's influence, and the murdered employee's role as an enforcer.
Key Events
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The Note's Old Date — Dong-geun argues that the note's date, ten years earlier, may point to a deeper motive. Characters: Dong-geun
Location: Investigation
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The Case Reaches Back — The investigation uncovers a history of cruelty and abuse in the military. Characters: Dong-geun, Dong-geun, Sung-hyun
Location: Military past
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Sung-hyun's Authority — Sung-hyun is revealed as an officer who used money and authority to make others do his bidding. Characters: Sung-hyun
Location: Military past
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The Enforcer's Past — The murdered employee is identified as a brutal enforcer for Sung-hyun. Characters: Sung-hyun
Location: Military past
The Recruit's Unanswered Pain
The investigation connects the past to a bullied recruit who later died by suicide. His mother's account and the effort to recover a burned notepad deepen the emotional stakes.
Key Events
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A Recruit's Suicide — A fellow recruit bullied alongside Dong-geun later died by suicide. Characters: Dong-geun, Dong-geun
Location: Military past
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A Mother's Regret — The recruit's mother describes his isolation and regrets not understanding his pain sooner. Characters: Hae-yeon
Location: Unspecified
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The Burned Notepad — Investigators try to recover a burned notepad believed to have belonged to the dead recruit. Characters: Dong-geun
Location: Investigation
Clues Point Toward Revenge
Further killings and planted evidence suggest a revenge sequence tied to the military abuse. A ring, a cigarette butt, and prison-related leads complicate the detectives' understanding of the intended victims.
Key Events
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Revenge Pattern Emerges — Further killings and planted clues suggest revenge against people connected to the old abuse. Characters: Dong-geun, Sung-hyun
Location: Investigation
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The Ring Identified — A wedding ring found at a crime scene is identified as belonging to the murdered employee. Characters: Dong-geun
Location: Unspecified crime scene
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A Cigarette Butt Link — A cigarette butt links another killing to Sung-hyun. Characters: Dong-geun, Sung-hyun
Location: Unspecified crime scene
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The Victim Order Disrupted — Evidence suggests an intended victim order, but an inmate's time in prison may have disrupted it. Characters: Dong-geun
Location: Investigation
The Next Target Unresolved
The evidence points to Sung-hyun as the next target. The available account ends without identifying who is behind the revenge killings or confirming whether the detectives can reach him in time.
Key Events
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Prison Records Investigated — Hae-yeon's note to an inmate and inquiries into prison records add leads to the case. Characters: Dong-geun, Hae-yeon
Location: Prison records inquiry
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Sung-hyun Becomes the Target — Evidence points to Sung-hyun as the next target, but the revenge plot remains unresolved. Characters: Dong-geun, Sung-hyun
Location: Investigation