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The Chase (2017) Plot Summary & Timeline

The Chase (2017) movie poster

The Chase is a 2017 thriller and mystery film directed by Kim Hong-sun and Park Ji-hyun, running 1 hour 50 minutes. This page retells the whole story in 722 words (about 3 minutes to read) and covers 12 key events in order, 6 characters, where and when it is set and 3 themes. Looking for the cast, ratings and where to stream it? See the movie page for The Chase.

to read the plot summary
3 min
key events in the timeline
12
characters profiled
6
themes explained
3
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The Chase (2017) movie poster
Released
Runtime
1h 50m
Directors
Kim Hong-sun and Park Ji-hyun
Original language
Korean
No spoilers

What Is The Chase About?

The premise of The Chase in 312 words, with nothing given away. The full story follows below.

In a tightly‑packed working‑class neighborhood, an uneasy hush has settled over the streets as a string of unsettling deaths begins to loom over everyday life. The town’s narrow alleys and cramped apartments pulse with a quiet tension, hinting that the ordinary routines of its residents may be masking something far darker. The atmosphere is one of muted dread, where ordinary conversations are tinged with suspicion and the walls seem to hold untold secrets.

​Sim Deok-su presides over a block of modest flats with the stern efficiency of a seasoned landlord. His sharp tongue and gruff demeanor have earned him a reputation that borders on legend, and he runs his building with a disciplined, almost mechanical routine. Among his tenants is a frail, elderly man whose past life as a police detective still flickers in his eyes, offering a contrasting blend of weariness and lingering instinct. Their interactions reveal a world where authority and vulnerability intersect in the cramped corridors of the building.

When a visitor arrives, bringing whispers of a long‑unsolved serial murder case from three decades earlier, the quiet tension sharpens into something more investigative. The visitor’s knowledge of the past crimes begins to echo the present unease, suggesting a hidden thread that could link the town’s current troubles to a buried history. Across the hallway, retired Detective ​Pyung‑Dal reappears, his seasoned instincts flaring as he sifts through the murmurs, determined to uncover whatever lies beneath the surface.

The film unfolds as a study in atmosphere and character, balancing the claustrophobic setting with a slow‑burning mystery. Sim Deok‑su and Detective Pyung‑Dal find themselves drawn together, their contrasting styles—hard‑nosed practicality versus seasoned intuition—creating a reluctant partnership that underscores the story’s tension. As the town’s quiet façade begins to crack, the audience is left with a lingering sense of curiosity, wondering how the past and present will collide within these narrow, shadowed hallways.

Full plot

What Happens in The Chase?

The complete story of The Chase, from the first scene to the last, in 722 words (about 3 minutes). Spoilers throughout. Names in the text link to 2 cast member pages.

Spoilers ahead

Sim Deok-su, Baek Yoon-sik, is a grumpy landlord who rules over a string of cramped, working-class flats with a hard hand and a sharper tongue. His days begin with a blunt demand for rent, and his reputation—a kind of Scrooge-like sneer—makes him widely despised in the neighborhood. He moves through his routine with clinical detachment, paying little mind to the struggles of those below him, including a sick tenant named Mr Choi who has already fallen on hard times. As Deok-su goes about his business, police work is quietly unfolding around him: two dead bodies are found and cleared, one belonging to a local drunk and the other to an elderly pensioner living alone. The sense that something more sinister is at play lingers in the air, even as Deok-su returns to his own bickering world of rent and reproof.

That night, in Mr Choi’s apartment, the weary man who once wore a badge reveals himself to be more than just a sufferer of life’s misfortunes. He was a police detective in his prime, and his mind still races with theories. He insists that the earlier deaths were not accidental, but murders that seem to follow a grim pattern—a killer who started with the elderly and appears to be moving toward younger victims. The two men talk through the clues, their conversation weaving together memory and motive, until Mr Choi’s voice falls silent and the room grows heavy with unspoken worry.

The very next hours bring a brutal turn: Mr Choi is murdered, staged as a suicide, and a second murder erupts in the corridor—Ji-Eun, a diligent and quiet textile mill worker who lives in Deok-su’s building, discovers her roommate dead with her throat slit and then is dragged into a nightmare when the killer strikes again and abducts her. The neighborhood quickly pins the blame on Deok-su, a move built on fear and the perception that his earlier encounter with the church volunteers marked him as sinister. Yet the one person who refuses to swallow the narrative is Mr Choi’s former partner, retired Detective Pyung-Dal, Sung Dong-il. He arrives with old instincts and fresh proof, showing that Choi’s death was not a suicide and revealing a chilling history of similar murders that had rocked the area thirty years earlier.

With this new evidence, Deok-su begins to see a possible target in Ji-Eun, who fits the killer’s pattern from the long-ago cases Pyung-Dal has recounted. He hurries back to her apartment to check on her safety, a move that sets off a new chain of confrontations. A tense confrontation with a gang of young thugs, one of whom is linked to the murdered young woman, escalates the danger. When Deok-su and Pyung-Dal push forward into Ji-Eun’s space, they unearth a gruesome shock—the severed head of Ji-Eun’s roommate rests in her refrigerator, a macabre sign that the threat is closer than anyone realized. The seasoned detective reads the room and, urging caution, persuades Deok-su not to alert the police just yet, fearing the killer’s reach could endanger Ji-Eun herself.

From there, the two men fuse their nerves and competencies, chasing down every crumb of evidence, following a path that twists through the building’s halls and into the lives of those who seem ordinary on the surface. Their alliance thickens as they move from suspicion to pursuit, each clue pulling them deeper into a maze of secrets, past loyalties, and long-buried memories. The pursuit grows increasingly perilous, and the question of who truly deserves trust becomes more urgent with every turn.

In the culmination of a labyrinth of revelations, the identity of the killer comes into focus: a mild-mannered doctor who has earned the town’s trust through his quiet volunteer work and his devotion to his paralyzed wife. Behind the veneer of gentleness lies a calculating mind, and the doctor’s everyday kindness hides a chilling capacity for violence. The revelation reframes everything Deok-su and Pyung-Dal have learned, forcing them to confront the true cost of a past that never truly rested and the danger that can bloom when a person’s darkest impulses go unchecked. The film leaves viewers with a stark look at how the calm surface of a small community can mask a web of secrets, and how the most unexpected people can become catalysts for tragedy—and for vigilance that refuses to blink.

Timeline

The Chase Timeline: Every Key Event in Order

12 key events in the order they happen, from “Morning rent harassment amid charity visit” to “The killer is revealed: a harmless doctor”. 12 events name a place, across 9 locations.

  1. 1

    Morning rent harassment amid charity visit

    Shim Deok-su starts his day by visiting Mr Choi to demand rent, showing little compassion for his ailing tenant. Charity workers from a local church arrive to plead on Choi's behalf, but Deok-su remains unmoved. The scene establishes his gruff, predatory attitude and sets the tense mood for the neighborhood.

    When:Morning Where:Mr Choi's apartment and surrounding building

  2. 2

    Discovery of two dead bodies during police clearance

    While Deok-su goes about his routine, police clear the street and uncover two dead bodies: a local drunk and an elderly pensioner. The double tragedy heightens fear in the neighborhood and foreshadows the killer's pattern. Deok-su's life intersects with crime as rumors begin about suspicious deaths.

    When:Day Where:Street near Deok-su's building

  3. 3

    Mr Choi shares his theory over dinner

    That evening, Choi cooks an extravagant dinner and reveals he once worked as a police detective. He argues that the earlier deaths were murders committed by someone testing the method on the elderly before targeting others. Deok-su remains skeptical but intrigued by the detective's instincts.

    When:Evening Where:Mr Choi's apartment

  4. 4

    Mr Choi is murdered and staged as suicide

    That same night, an unseen assailant murders Mr Choi and arranges his body as a suicide to mislead investigators. The brutal crime confirms the detective's suspicions and raises the stakes for the tenants. Deok-su is drawn deeper into the mystery as a potential witness and target.

    When:Night Where:Mr Choi's apartment

  5. 5

    Murder in the corridor: Ji-Eun's roommate slain

    A few units down the corridor, another tenant, Ji-Eun's roommate, is found murdered with a slit throat. The string of killings intensifies fear in the building and attracts attention from investigators and residents alike. Deok-su begins to see a pattern emerging across the flats.

    When:Night Where:Deok-su's building

  6. 6

    Ji-Eun is attacked and kidnapped

    Ji-Eun returns home to find her roommate dead and is suddenly attacked as the killer strikes again. The attacker bashes her head and kidnaps her, leaving the apartment in chaos. The danger now centers on Ji-Eun, whose fate becomes urgent for the investigators.

    When:Night Where:Ji-Eun's apartment

  7. 7

    Neighborhood blames Deok-su for the deaths

    Rumors and fear shift toward Deok-su as the community singles him out as responsible for neglecting tenants. The neighborhood's anger grows as suspicion spreads, while Pyung-Dal remains unconvinced and pursues the truth. The case tightens its grip on the building.

    When:Day Where:Neighborhood around the flats

  8. 8

    Former partner Pyung-Dal investigates

    Retired Detective Pyung-Dal arrives and refuses to accept Deok-su's guilt. He uncovers evidence that Mr Choi was not suicidal and connects a string of pensioner- and young-woman murders from thirty years earlier. His discoveries begin to weave the current cases into a long-running pattern.

    When:Day Where:Investigation scenes across town

  9. 9

    Reveal that Ji-Eun fits the victim profile

    As Pyung-Dal digs deeper, it becomes clear that Ji-Eun matches the historical victim profile. Deok-su and the detective realize the kidnapper will strike at her, so they resolve to act instead of waiting for the police. The two form a fragile alliance to protect Ji-Eun.

    When:Day Where:Deok-su's apartment and nearby locations

  10. 10

    Race to Ji-Eun's apartment

    Deok-su hurries back to Ji-Eun's apartment after the new information, hoping to find her safe or still alive. They mount a tense search through the building where the murders occurred. Time is running out as the killer could strike again at any moment.

    When:Night Where:Ji-Eun's apartment

  11. 11

    Confrontation with the gang and discovery

    A run-in with a gang connected to the murdered woman leads them to Ji-Eun's apartment, where they discover the severed head of Ji-Eun's roommate in the refrigerator. The grisly find confirms the killer's brutal methods and deepens the danger to Ji-Eun. Deok-su and Pyung-Dal realize they must act quickly.

    When:Night Where:Ji-Eun's apartment

  12. 12

    The killer is revealed: a harmless doctor

    In a final twist, the mild-mannered doctor, praised for his volunteer work and devotion to his paralysed wife, is revealed as the killer. The seemingly kind physician orchestrates the murders while maintaining his public image. Deok-su and Pyung-Dal confront the truth and race to save Ji-Eun.

    When:Night Where:Town and Ji-Eun's apartment

Characters

Who Are the Main Characters in The Chase?

6 characters, among them Park Pyung-dal (Sung Dong-il), Shim Deok-su (Baek Yoon-sik) and Ji-Eun (Kim Ji-eun): who each one is and the part they play in the story. Every profile links to the actor’s page.

  • PP

    Park Pyung-dal (Sung Dong-il)

    Played by Sung Dong-il

    A retired detective who refuses to let a pattern go unexamined, Pyung-dal has a sharp eye for inconsistencies and a stubborn sense of justice. He hunts for the truth behind long-ago murders and connects them to the present peril facing Ji-Eun. His partnership with Deok-su shows how experience and street-smarts can complement cautious moral restraint.

    • 🕵️ Veteran
    • 🧭 Persistent
    • ⚖️ Moral
  • SD

    Shim Deok-su (Baek Yoon-sik)

    Played by Baek Yoon-sik

    A gruff landlord whose rent-collection scowl masks a pragmatic, protective streak. His contempt for tenants shifts to reluctant cooperation as Ji-Eun faces danger. Across the film, he moves from a despised figure to an essential ally in uncovering the kidnapper.

    • 🏚️ Despised
    • 🧱 Pragmatic
    • 🗝️ Protective
  • J(

    Ji-Eun (Kim Ji-eun)

    Played by Kim Hye-in

    A young textile mill worker and tenant who becomes a target after her roommate’s murder. She shows calm under pressure and a determined will to survive as danger closes in.

    • 🧵 Textile worker
    • 💪 Brave
    • 👩‍👧‍👧 Loyal
  • KS

    Kim Soo-kyung (Park Ji-hyun)

    Played by Park Ji-hyun

    Ji-Eun’s roommate, whose severed head found in the refrigerator marks the brutal extent of the killer’s reach. Her death serves as the catalyst for Pyung-dal and Deok-su to dig deeper into the case.

    • 🗡️ Victim
    • 🧊 Tragic
    • 🧭 Catalyst
  • DP

    Detective Park (Park Sung-hyun)

    Played by Park Sung-hyun

    A detective who supports Pyung-dal’s investigation and provides crucial context about previous cases, helping connect the present murders to a thirty-year pattern.

    • 🕵️ Insightful
    • 🧭 Thorough
  • DC

    Detective Choi (Son Jong-hak)

    Played by Son Jong-hak

    The former partner of Mr. Choi who shares experience and aids in verifying the truth behind the supposed suicides. His involvement helps reveal the killer’s modus operandi and past community ties.

    • 🕵️ Collaborative
    • 🧠 Analytical
Setting

Where and When Is The Chase Set?

The Chase is set in Working-class apartment flats neighborhood. Here is why the place matters to the story.

Where

Working-class apartment flats neighborhood

Set in a dense, working-class neighborhood, the story unfolds inside a row of aging apartment flats where tenants share hallways and fear for rent. The building is run-down, with a local church visiting to offer aid and neighbors watching each other’s backs. The textures of the flats—narrow corridors and flickering lights—underscore the social tensions at play.

  • 🏙️ Urban
  • 🧱 Gritty
  • 🧭 Social realism
Themes

What Are the Themes of The Chase?

3 ideas the story keeps returning to, among them Detective Work, Socioeconomic Struggle and Secrets and Twists.

  1. 01

    Detective Work

    A retired detective pieces together a pattern of murders, challenging the community’s acceptance of suicide. He traces clues from past cases to the present killings and insists on thorough, evidence-based reasoning. The investigation blends cautious deduction with streetwise intuition, revealing how past traumas shape present danger.

  2. 02

    Socioeconomic Struggle

    The landlord’s rent-collection grip exposes the class tensions simmering beneath the neighborhood’s surface. The film uses Deok-su’s exploitation to highlight poverty and the precarious lives of working-class tenants. As violence erupts, the community’s reliance on informal aid and mutual protection becomes both lifeline and source of tension.

  3. 03

    Secrets and Twists

    Appearances conceal danger as a mild-mannered doctor is revealed to be the killer. The twist underscores moral ambiguity, showing respectability can mask danger. The narrative keeps the audience guessing about who to trust until the final revelation.

Tone & mood

What Kind of Film Is The Chase?

Dark in tone, with steady pacing and a moderate story, going by the plot summary.

Tone
Dark
Pacing
Steady
Story
Moderate
Intensity
High
Ending
Mixed

A steadily paced, dark and tense thriller that follows a grumpy landlord and a retired detective uncovering a web of community secrets connected to a brutal serial killer, creating a heavy and oppressive viewing experience.

  • tense
  • dark
  • gritty
  • suspenseful
  • grumpy
  • melancholic
  • serial killer
  • crime investigation
  • past trauma
  • community secrets

Content notes: murder, serial killer, severed head, abduction.

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FAQ

The Chase Plot Questions

5 quick answers about The Chase, taken from the plot summary, character guide and setting on this page and the film’s credits.

What is The Chase about?

In a tightly‑packed working‑class neighborhood, an uneasy hush has settled over the streets as a string of unsettling deaths begins to loom over everyday life.

Read the full plot summary

When and where does The Chase take place?

The Chase is set in Working-class apartment flats neighborhood. Set in a dense, working-class neighborhood, the story unfolds inside a row of aging apartment flats where tenants share hallways and fear for rent.

The setting explained

Who are the main characters in The Chase?

The story follows Park Pyung-dal (Sung Dong-il) (played by Sung Dong-il), Shim Deok-su (Baek Yoon-sik) (played by Baek Yoon-sik), Ji-Eun (Kim Ji-eun) (played by Kim Hye-in) and Kim Soo-kyung (Park Ji-hyun) (played by Park Ji-hyun); the character guide covers 6 characters in all.

All the characters

What are the main themes of The Chase?

The summary picks out 3 themes: Detective Work, Socioeconomic Struggle and Secrets and Twists.

The themes explained

Who directed The Chase?

The Chase (2017) was directed by Kim Hong-sun and Park Ji-hyun and runs 1 hour 50 minutes.

Kim Hong-sun’s films

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