Story Structure — 4 Plot Phases
A Corrupt System
A raid on an illegal gambling operation reveals that those inside regard the police as part of the same corrupt system. The Senior Inspector then accuses Jo of corruption and dismisses him.
Key Events
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Raid on Gambling Operation — Police officers raid an illegal gambling operation, but those inside treat them as part of the corrupt system.
Location: Illegal gambling operation
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Escape Scramble — The raid quickly becomes a scramble to escape.
Location: Illegal gambling operation
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Jo Faces Corruption Charges — The Senior Inspector challenges Jo over property held in his and his family's names. Characters: Det. Jo Yoon-soo, Senior Inspector
Location: Police workplace
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Jo Is Dismissed — The Senior Inspector accuses Jo of corruption and dismisses him. Characters: Det. Jo Yoon-soo, Senior Inspector
Location: Police workplace
Principles Tested
Kang clashes with his colleague over suspected bribery and stolen evidence, while the detectives struggle with a difficult suspect. Kang intervenes in an entrapment effort involving an underage girl and arrests those involved.
Key Events
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Bribery Dispute — Kang clashes with his colleague over suspected bribery and stolen evidence. Characters: Det. Kang Min-ho, Det. Jo Yoon-soo
Location: Police workplace
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Difficult Suspect Questioned — The detectives struggle to manage a difficult suspect brought in for questioning. Characters: Det. Kang Min-ho, Det. Jo Yoon-soo
Location: Police questioning room
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Underage Entrapment Attempt — Kang becomes involved in an effort to entrap a man through an underage girl. Characters: Det. Kang Min-ho
Location: Unspecified
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Kang Intervenes — Kang intervenes and arrests those involved for violating protections for minors. Characters: Det. Kang Min-ho
Location: Unspecified
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Principles Under Pressure — A woman close to Kang urges him not to compromise his principles while returning to work at a hostess bar. Characters: Det. Kang Min-ho, Su-won
Location: Unspecified
The Diamond Inquiry
The detectives investigate a robbery at a wealthy household and the theft of a precious teardrop diamond. Kang follows his colleague to a grand house and confronts him with an ultimatum, leaving their loyalties uncertain.
Key Events
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Diamond Robbery Reported — The detectives investigate a household robbery involving a particularly precious teardrop diamond. Characters: Det. Kang Min-ho, Det. Jo Yoon-soo
Location: Wealthy household
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Grand House Encounter — Kang follows his colleague to a grand house that raises questions about his means. Characters: Det. Kang Min-ho, Det. Jo Yoon-soo
Location: House that appears far grander than the colleague's official income would explain
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Lose Everything or Join — Kang confronts his colleague with a choice: lose everything or join him. Characters: Det. Kang Min-ho, Det. Jo Yoon-soo
Location: Grand house
A Promise Unresolved
Su-won tells Kang that she has noticed his distance and does not want him to sacrifice his beliefs for her. Kang promises to give up his badge, but the film ends without resolving his decision or its consequences.
Key Events
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Suwon Voices Her Concern — Su-won says Kang has grown distant and does not want him to abandon his beliefs for her. Characters: Det. Kang Min-ho, Su-won
Location: Home
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Promise to Leave the Badge — Kang promises Su-won he will give up his badge for her. Characters: Det. Kang Min-ho, Su-won
Location: Home
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Unresolved Tomorrow — The story ends with Kang's promise hanging over them and his decision unresolved. Characters: Det. Kang Min-ho, Su-won
Location: Home