Story Structure — 5 Plot Phases
An Unwanted Responsibility
Kim Yoon-ji is placed under temporary protection while her guardian leaves for a holiday. Her deceptive request for help leads the retired assassin back into danger.
Key Events
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Holiday Guardianship Request — Kim Yoon-ji becomes the responsibility of a retired assassin during the holiday. Characters: Kim Yoon-ji
Location: Home
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Hongdae Pickup — Kim Yoon-ji is picked up at night and told to stay at a friend's house. Characters: Kim Yoon-ji
Location: Hongdae
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Fake Stomach Pain — Kim Yoon-ji fakes illness to make the retired assassin come for her. Characters: Kim Yoon-ji
Location: Home
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Night Ride Departure — Kim Yoon-ji leaves by bicycle with several others after sending him away. Characters: Kim Yoon-ji
Location: Street
Violence Returns
A tracking device leads to Kim Yoon-ji, who is being threatened by Sung-yeon and several delinquents. A subsequent murder investigation makes the situation more dangerous.
Key Events
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Wallet Tracker Activated — A tracking device in Kim Yoon-ji's wallet reveals her eventual location. Characters: Kim Yoon-ji
Location: Street
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Delinquent Threat — Sung-yeon leads delinquents who threaten Kim Yoon-ji. Characters: Kim Yoon-ji, Sung-yeon
Location: Street venue
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Murder Scene Discovered — Detective Lee reports a murder case at the venue previously connected to Kim Yoon-ji. Characters: Kim Yoon-ji, Detective Lee
Location: Street venue
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Investigation Reaches Home — Detective Lee suspects involvement and explains Kim Yoon-ji's dangerous situation. Characters: Kim Yoon-ji, Detective Lee
Location: Home
The Criminal Network
Sung-yeon and Yuri connect the case to a trafficking organization involving the Russian mafia. Kim Yoon-ji is kidnapped, forcing a wider rescue operation.
Key Events
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Sung-yeon's Threatening Call — Sung-yeon calls Kim Yoon-ji, and the retired assassin intercepts the exchange. Characters: Kim Yoon-ji, Sung-yeon
Location: Home
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Tracked Meeting Location — The tracking device in Kim Yoon-ji's wallet leads to Sung-yeon's location. Characters: Kim Yoon-ji, Sung-yeon
Location: Unknown meeting location
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Knife and Yuri Encounter — Yuri fights the retired assassin, who escapes with the knife linked to the murders. Characters: Kim Yoon-ji, Sung-yeon, Yuri
Location: Meeting location
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Kidnapping at Home — Kim Yoon-ji is discovered to have been kidnapped after the fight. Characters: Kim Yoon-ji
Location: Home
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Sung-yeon Questioned — Sung-yeon is mortally wounded after revealing details about the trafficking ring and its request for Kim Yoon-ji. Characters: Kim Yoon-ji, Sung-yeon
Location: Apartment
Corrupt Authority
Detective Lee's corruption is exposed, and Park Hyung-joo identifies a powerful judge as the person requesting Kim Yoon-ji. The investigation reaches the highest level of the criminal structure.
Key Events
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Hotel Network Assault — The retired assassin attacks numerous delinquents while pursuing information about Kim Yoon-ji. Characters: Kim Yoon-ji, Yuri
Location: Hotel
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Police Pursuit Reversed — Detective Lee attempts an arrest but is overpowered and forced to help locate Kim Yoon-ji. Characters: Kim Yoon-ji, Detective Lee
Location: Hotel and roadway
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Rescue and Corruption Revealed — Kim Yoon-ji is rescued, and Detective Lee's connection to the criminal organization is exposed. Characters: Kim Yoon-ji, Detective Lee
Location: Kidnapping site
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Park Hyung-joo Identified — Detective Lee reveals that Kim Yoon-ji was intended for Park Hyung-joo. Characters: Kim Yoon-ji, Detective Lee, Park Hyung-joo
Location: Park Hyung-joo's location
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Park's Higher Client — Park Hyung-joo reveals that a high-ranking judge specifically requested Kim Yoon-ji. Characters: Kim Yoon-ji, Park Hyung-joo
Location: Park Hyung-joo's location
The Last Pursuit
A betrayal at the judge's mansion triggers the final confrontation with the remaining enemies. The rescue concludes in Jeju with a reunion at the beach.
Key Events
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Final Betrayal and Escape — Detective Lee betrays the retired assassin, who breaks free and kills Detective Lee and Yuri. Characters: Kim Yoon-ji, Detective Lee, Yuri
Location: Judge's mansion
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Jeju Beach Reunion — After eliminating the final criminal target, Kim Yoon-ji and the retired assassin reunite with his wife. Characters: Kim Yoon-ji
Location: Jeju beach
While his girlfriend is away on a trip, retired assassin Bang Ui-kang is tasked with looking after her friend's 17-year-old daughter. After a street attack, Bang Ui-kang becomes embroiled in a murder investigation and dangerous trafficking gang.
