Story Structure — 4 Plot Phases
Silent Witness
Kyung-mi's peaceful life is shattered when she witnesses a brutal attack, becoming the target of a serial killer.
Key Events
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Daily Routine — Kyung-mi works at call center Characters: Kyung-mi, Office Worker
Location: Sign Language Call Center
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Witness Attack — Kyung-mi witnesses murder Characters: Kyung-mi, Do-sik, So-jung
Location: Street
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Realizes Target — Killer knows she saw him Characters: Kyung-mi, Do-sik
Location: City
Unlikely Alliance
Jong-tak, seeking justice for his sister, teams up with Kyung-mi and her protective mother to face the threat together.
Key Events
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Realizes Target — Killer knows she saw him Characters: Kyung-mi, Do-sik
Location: City
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Brother's Arrival — Jong-tak meets the witness Characters: Jong-tak, Kyung-mi
Location: Police Station
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Family Alliance — Mother joins protection plan Characters: Kyung-mi, Jong-tak, Kyung-mi's Mother
Location: Home
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First Threat — Killer attacks workplace Characters: Kyung-mi, Do-sik
Location: Call Center
Hunted in the Dark
The trio must evade Do-sik while navigating communication barriers in their fight for survival.
Key Events
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First Threat — Killer attacks workplace Characters: Kyung-mi, Do-sik
Location: Call Center
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Desperate Escape — Chase through the city Characters: Kyung-mi, Jong-tak, Kyung-mi's Mother
Location: City Streets
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Police Involvement — Seeking official protection Characters: Jong-tak, Police Officer, Kyung-mi
Location: Police Station
Final Confrontation
The climax brings the hunter and hunted face to face in a desperate struggle for survival.
Key Events
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Final Showdown — Confrontation with the killer Characters: Kyung-mi, Jong-tak, Kyung-mi's Mother, Do-sik
Location: Abandoned Building
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Aftermath — Moving forward after trauma Characters: Kyung-mi, Jong-tak, Kyung-mi's Mother
Location: Home
A serial killer ruthlessly hunts down a deaf woman through the streets of South Korea after she witnesses his brutal crime.