Story Structure — 5 Plot Phases
Forewarned Murders
The investigation team is redirected from a bank robbery case to a series of forewarned murders. A strange suicide and the smiling victims establish the central mystery.
Key Events
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Investigation Reassigned — A team investigating a serial bank robbery case is redirected to the forewarned murder case.
Location: Seoul
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Strange Club Suicide — The investigators visit a club where a warned victim is expected and witness a strange suicide.
Location: Club
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The Smiling Victims — The murder messages are decoded, and the victims are linked by the fact that they were smiling when they died.
Location: Investigation office
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Village Connection — A new warning identifies Son Min Ho, the former leader of White Night Village, as a potential victim. Characters: Son Min Ho
Location: Investigation site
White Night Threat
A warning targets Son Min Ho, the former leader of White Night Village. The villa fire and the rescue turn the case into a public crisis.
Key Events
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Village Connection — A new warning identifies Son Min Ho, the former leader of White Night Village, as a potential victim. Characters: Son Min Ho
Location: Investigation site
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Villa Fire — A fire breaks out at the villa where Son Min Ho is staying, connecting the investigation to White Night Village. Characters: Son Min Ho
Location: Son Min Ho's villa
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National Hero — People trapped in the fire are rescued, and the rescuer becomes a national hero. Characters: Son Min Ho
Location: Burning villa
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Special Team Evidence — Evidence is produced suggesting that the culprit is a member of the special team, while Son Min Ho remains in danger. Characters: Son Min Ho
Location: Safehouse
Culprit Reversal
Evidence points toward the special team, and Son Min Ho is attacked at a safehouse. The apparent culprit becomes the subject of a wider pursuit.
Key Events
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Special Team Evidence — Evidence is produced suggesting that the culprit is a member of the special team, while Son Min Ho remains in danger. Characters: Son Min Ho
Location: Safehouse
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Safehouse Attack — An attempt to move Son Min Ho out of the safehouse is stopped, and Son Min Ho is attacked. Characters: Son Min Ho
Location: Safehouse
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Secret Laboratory Lead — An anonymous informant provides a flash drive, and the truth behind the forewarning murders begins to surface.
Location: Investigation sites
Children And Experiments
A flash drive and suspicious adoption activity expose a possible secret laboratory. The forced removal of children raises the stakes beyond the murder investigation.
Key Events
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Orphanage Suspicion — Several children are reported to have been adopted by new families at the same time, raising suspicion about the facility.
Location: Orphanage
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Children Taken Away — A group of children is forced into a black van, which is followed after leaving the welfare center.
Location: Seoul Hangang Welfare Center
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White Night Return — The investigation returns to White Night Village to recover lost memories, but another warning appears.
Location: White Night Village
Origins And Final Battle
The return to White Night Village restores a crucial memory and reveals a twin identity. The search reaches the laboratory, the family origin is uncovered, and the final confrontation with the foundation begins.
Key Events
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Twin Identity Revealed — A recovered memory reveals a twin identity and explains that the person connected to the village once saved a life.
Location: White Night Village
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Secret Lab Entered — The secret laboratory is located and entered while an abducted hostage remains in danger.
Location: Secret laboratory
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Mother Found — The twins' mother is identified, and an allegedly erased formula is revealed to still exist.
Location: Secret laboratory investigation
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Final Foundation Battle — Oh Jung Hwan is used as bait while a final decision must be made before a bomb explodes, beginning the last battle against the foundation. Characters: Oh Jung Hwan
Location: White Night Foundation