Story Structure — 4 Plot Phases
The Original Crime
Hee-Joo's father is murdered while investigating a serial killer. Detective Dae-young joins the case and tracks down the primary suspect.
Key Events
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Father Murdered — Hee-Joo's father is killed when she is seven. Location: Crime Scene
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Detective Assignment — Dae-young joins the investigation into the serial killer. Characters: Dae-young
Location: Police Station
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Serial Killer Pattern — The investigation identifies a serial killer pattern. Characters: Dae-young
Location: Police Station
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Ki-bum Arrested — Ki-bum is taken into custody for the murders. Characters: Ki-bum, Dae-young
Location: Arrest Location
Arrest and Conviction
Ki-bum is arrested and put on trial. He is ultimately convicted of only one murder, leading to a lengthy prison sentence.
Key Events
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Trial Proceedings — Legal proceedings determine Ki-bum's guilt. Characters: Ki-bum
Location: Courtroom
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Single Murder Conviction — Ki-bum is found guilty of only one murder. Characters: Ki-bum
Location: Courtroom
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Prison Incarceration — Ki-bum serves his sentence behind bars. Characters: Ki-bum
Location: Prison
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Fifteen Year Gap — A decade and a half passes since the conviction. Location: Time Passage
Release and Resumption
Fifteen years later, Ki-bum is released from prison. Dae-young immediately resumes his investigation to secure additional convictions.
Key Events
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Fifteen Year Gap — A decade and a half passes since the conviction. Location: Time Passage
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Ki-bum Release — Ki-bum is officially released from prison. Characters: Ki-bum
Location: Prison Gates
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Ongoing Pursuit — Dae-young continues seeking a murder conviction. Characters: Dae-young
Location: Police Station
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Case File Review — Dae-young re-examines the original serial killer case. Characters: Dae-young
Location: Office
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Partner's Legacy — Dae-young honors his late partner's unfinished work. Characters: Dae-young
Location: Office
Unfinished Justice
Dae-young intensifies his pursuit, reviewing old evidence and preparing legal charges. The story culminates in a final courtroom confrontation.
Key Events
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Partner's Legacy — Dae-young honors his late partner's unfinished work. Characters: Dae-young
Location: Office
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Reintegration — Ki-bum navigates life outside prison. Characters: Ki-bum
Location: City Streets
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Surveillance Setup — Dae-young monitors Ki-bum's movements closely. Characters: Dae-young, Ki-bum
Location: Surveillance Point
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Legal Pressure — Dae-young prepares new charges against Ki-bum. Characters: Dae-young
Location: Courtroom
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Confrontation Setup — The two face off over the unresolved murders. Characters: Dae-young, Ki-bum
Location: Interrogation Room
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Final Push — Final efforts to secure the murder conviction. Characters: Dae-young, Ki-bum
Location: Courtroom
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Case Resolution — The investigation reaches its legal conclusion. Characters: Dae-young, Ki-bum
Location: Courtroom
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Justice Sought — Dae-young achieves closure on his partner's case. Characters: Dae-young
Location: Courtroom
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Legacy Preserved — The detective ensures the truth is finally recorded. Characters: Dae-young
Location: Police Station
A girl who lost her father to a serial killer, a detective and a killer are intertwined in a chaotic relationship and are met with an unprecedented series of events.