Story Structure — 5 Plot Phases
A Missing Woman's Trail
Mi-Jin is sent to a dangerous customer while the former detective investigates missing women. The customer's violence and a chance collision expose a possible connection.
Key Events
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Mi-Jin Is Sent Out — Mi-Jin is sent to a customer despite being sick so she can obtain his address. Characters: Mi-Jin
Location: Mi-Jin's residence
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The House Trap — Mi-Jin is bound, resists an attack, and is knocked unconscious with a hammer. Characters: Mi-Jin
Location: Mr. Park's house
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Church Couple Arrives — An elderly couple arrives asking about the house owner and is murdered inside.
Location: Mr. Park's house
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The Collision — The suspect collides with the former detective's car while trying to abandon the couple's vehicle.
Location: Local road
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Phone Number Exposed — A phone call reveals that the suspect carries the number being searched for.
Location: Roadside
Confession Without Proof
The suspect is arrested and admits to nine murders, but the police cannot hold him without physical evidence. The claim that Mi-Jin may still be alive redirects the search.
Key Events
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Arrest and Beating — The former detective beats the suspect before a local police officer arrests both men. Characters: Detective Lee Gil-woo
Location: Roadside
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Nine Murders Confessed — The suspect casually admits to nine murders, triggering a dispute between police divisions. Characters: Detective Lee Gil-woo
Location: Police station
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Mi-Jin May Be Alive — The suspect claims Mi-Jin is alive, but the police doubt the claim without physical evidence. Characters: Mi-Jin, Detective Lee Gil-woo
Location: Police station
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Eun-Ji Joins the Search — The former detective collects DNA samples and takes Eun-ji while pursuing a hometown lead. Characters: Eun-ji, Detective Lee Gil-woo
Location: Mi-Jin's apartment
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The Hometown Record — The search uncovers a prison history involving the suspect and information about his impotence. Characters: Detective Lee Gil-woo, Prostitute
Location: The suspect's hometown
Evidence Under Pressure
Investigators uncover prison history, impotence, and religious drawings while Eun-ji is endangered during the search. The Public Prosecutor turns the investigation into a legal crisis.
Key Events
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Interrogation Turns Violent — The suspect attacks an interrogator after being questioned about impotence as a motive. Characters: Detective Lee Gil-woo
Location: Police interrogation room
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Religious Drawings Found — The former detective discovers religious drawings on the walls of a room where the suspect once lived. Characters: Detective Lee Gil-woo
Location: Former residence
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Eun-Ji Reaches Hospital — Eun-ji wanders away, suffers an accident, and is brought to a hospital by the former detective. Characters: Eun-ji, Detective Lee Gil-woo
Location: Hospital
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Prosecutor Orders Release — The Public Prosecutor demands the suspect's release and orders the former detective arrested for assault. Characters: Detective Lee Gil-woo, Public Prosecutor
Location: Police station
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Escape from Custody — The former detective attacks former teammates and escapes after one of them frees him. Characters: Detective Lee Gil-woo
Location: Police station
The Last Safe Place
Mi-Jin escapes and reaches a grocery store, briefly finding protection with the Grocery Store Owner. The refuge becomes another murder scene when the attacker arrives.
Key Events
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Mi-Jin Escapes — Badly injured, Mi-Jin frees herself and reaches a nearby grocery store for help. Characters: Mi-Jin
Location: Mr. Park's house
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Shelter Becomes a Trap — The Grocery Store Owner shelters Mi-Jin, unaware that the arriving customer is the attacker. Characters: Mi-Jin, Grocery Store Owner
Location: Grocery store
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The Store Murders — The attacker uses the store's hammer to murder both Mi-Jin and the Grocery Store Owner. Characters: Mi-Jin, Grocery Store Owner
Location: Grocery store
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Bodies Hidden — The attacker stores remains in a fish tank, buries the elderly couple, and kills the owner's dog.
Location: Mr. Park's house and yard
Statue and Reckoning
A church statue connects the religious drawings to the suspect's former residence. The former detective confronts him, while police uncover the buried bodies and Eun-ji remains hospitalized.
Key Events
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Church Statue Clue — The former detective recognizes that a church statue matches the drawings from the old room. Characters: Detective Lee Gil-woo
Location: Local church
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Fight at the House — The former detective interrupts the attacker's departure and fights him inside the residence. Characters: Detective Lee Gil-woo
Location: Mr. Park's house
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Bodies Excavated — Police restrain the former detective, take the attacker away, and uncover several bodies in the yard.
Location: Mr. Park's yard
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Silent Hospital Vigil — The former detective sits silently beside Eun-ji and holds her hand. Characters: Eun-ji
Location: Hospital room