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The Gangster, the Cop, the Devil (2019) Plot Summary & Timeline

The Gangster, the Cop, the Devil (2019) movie poster

The Gangster, the Cop, the Devil is a 2019 action and drama film directed by Won-Tae Lee, running 1 hour 50 minutes. This page retells the whole story in 506 words (about 2 minutes to read) and covers 15 key events in order, 3 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 Gangster, the Cop, the Devil.

to read the plot summary
2 min
key events in the timeline
15
characters profiled
3
themes explained
3
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The Gangster, the Cop, the Devil (2019) movie poster
Released
Runtime
1h 50m
Director
Won-Tae Lee
Genres
Action, Drama, Crime
Original language
Korean
No spoilers

What Is The Gangster, the Cop, the Devil About?

The premise of The Gangster, the Cop, the Devil in 263 words, with nothing given away. The full story follows below.

The story opens in a gritty metropolis where shadows stretch across neon‑lit streets and the line between order and chaos is perpetually blurred. A powerful crime boss, scarred by a recent, brutal betrayal, is driven by a relentless need for retribution. His world is a tightly wound web of loyalty, intimidation, and the ever‑present threat of unseen enemies, all set against a backdrop of pervasive corruption that seeps into every corner of the city’s institutions.

Enter Jung Tae‑Suk, an upright police officer whose dedication to justice is matched only by his frustration with a system that often turns a blind eye to the darkness lurking beneath. His methodical mind and unwavering sense of duty make him a natural investigator, yet he is constantly reminded that the law he upholds is as fragile as the trust he places in his superiors.

When fate forces Jang Dong‑Soo—the formidable leader of an organized crime syndicate—to cross paths with the detective, a reluctant partnership emerges. Both men recognize that their individual pursuits are intertwined, and each sees a strategic advantage in collaborating with the other. This uneasy alliance becomes a tense dance of mutual suspicion and hidden agendas, where every conversation is layered with unspoken threats and tentative respect.

The film’s tone is unapologetically intense, blending visceral action with a brooding, noir‑ish atmosphere that keeps the audience on edge. As the two protagonists navigate the perilous underworld together, the story explores how loyalty, vengeance, and the thirst for power can blur the boundaries between hero and villain, leaving viewers questioning who truly holds the moral high ground.

Full plot

What Happens in The Gangster, the Cop, the Devil?

The complete story of The Gangster, the Cop, the Devil, from the first scene to the last, in 506 words (about 2 minutes). Spoilers throughout. Names in the text link to 2 cast member pages.

Spoilers ahead

A mysterious tragedy strikes when a man’s car is struck by an unknown assailant, leading to his death as he steps out to photograph the damage for an insurance claim. In the midst of this chaos, Jung Tae-Suk, portrayed by Mu-Yeol Kim, an upstanding police officer, investigates the scene and suspects foul play from a potential serial killer, yet his superior dismisses his concerns. Simultaneously, gangster Jang Dong-Soo, played by Dong-seok Ma, is returning home from a tense meeting with a rival gang leader about territorial disputes when a violent encounter with the killer occurs, leaving both him and the assailant injured.

As Dong-Soo is hospitalized, his loyal henchmen misconstrue the chaos as a move by a rival gang, prompting them to retaliate. However, Dong-Soo discerns that the attack was not orchestrated by his rivals—there’s a more dangerous player involved. When Tae-Suk visits him, pleading for cooperation to apprehend the murderer, Dong-Soo refuses. He instead sends out his men to hunt the killer using a sketch and they soon find a car and a knife tied to a recent murder. Realizing the necessity of collaboration, Dong-Soo reaches out to Tae-Suk and agrees to join forces to stop the killer, motivated by the need to preserve his image and protect his business interests.

The stakes rise as Dong-Soo insists that whoever captures the killer first should have the right to deal with him. While Dong-Soo seeks vengeance, Tae-Suk’s intentions are rooted in justice and career advancement as he aims to solve multiple connected murder cases. In a chilling twist, Dong-Soo instructs his right-hand man, Kwon Oh-Sung, to eliminate a rival using the killer’s weapon, unknowingly further complicating the investigation. When Tae-Suk discovers this, a heated confrontation erupts between the two, especially when the ramifications of the serial killer’s actions lead to the case being escalated to the Major Case Squad.

As the investigation unfolds, each twist leads Tae-Suk deeper into the killer’s web. He is soon faced with another kidnapping case indirectly tied to the killer’s gruesome pattern, prompting him to have a mother deliver ransom money in hopes of tracking down the abductor. The chase takes an unexpected turn when they spot the killer, culminating in thrilling pursuits where both lawmen and criminals engage in intense battles for survival.

Ultimately, as the net tightens around the elusive Kang Kyung-Ho, played by Sung-kyu Kim, the lines between law and criminality begin to blur. Although Dong-Soo manages to confront and assault the killer, Tae-Suk’s intervention leads to the killer’s arrest, even as he gains a wealth of evidence against him. The courtroom drama escalates with Dong-Soo’s unanticipated testimony revealing extensive ties to his past actions. The justice system decisively sentences Kyung-Ho to death, while Dong-Soo’s criminal dealings result in his arrest, aligning their fates in a gripping conclusion.

In a final twist, as Dong-Soo finds himself incarcerated alongside Taylor Kyung-Ho, the tension escalates dramatically, leading to a confrontation filled with impending uncertainty. With a sinister smile, Dong-Soo approaches the confined Kyung-Ho, the stakes of vengeance higher than ever.

Timeline

The Gangster, the Cop, the Devil Timeline: Every Key Event in Order

15 key events in the order they happen, from “The Tragic Incident” to “Final Standoff”. 6 events name a place, across 5 locations.

  1. 1

    The Tragic Incident

    A man suffers a tragic fate when his car is struck by an unknown assailant. As he steps out to assess the damage for insurance purposes, he is unexpectedly killed, setting off a chain of events that horrifies the community.

  2. 2

    Investigation Begins

    Police officer Jung Tae-Suk arrives at the scene of the incident to investigate the suspicious circumstances surrounding the man's death. Despite his concerns about a potential serial killer, his superior dismisses his instincts, leaving him frustrated but determined.

  3. 3

    Gangster's Conflict

    In a separate storyline, gangster Jang Dong-Soo returns home from a heated meeting with a rival gang leader. As he makes his way back, he encounters the same dangerous assailant, resulting in a violent altercation that leaves both men injured.

  4. 4

    Misunderstanding Among Henchmen

    While Dong-Soo recuperates in the hospital, his loyal henchmen misinterpret the situation and believe that the attack was a retaliation from a rival gang. They begin plotting their own revenge, unaware of the true nature of the threat.

    Where:Hospital

  5. 5

    Dong-Soo's Realization

    During his recovery, Dong-Soo realizes that the assault is not a mere gang dispute but rather a sign of a more dangerous player at work. This insight compels him to seek the truth behind the violent events occurring in the city.

    Where:Hospital

  6. 6

    A Meeting of Interests

    After grappling with the situation, Dong-Soo agrees to meet Tae-Suk to discuss their mutual interests in catching the unknown murderer. Motivated by his desire to protect his business and reputation, he recognizes that collaboration is essential.

  7. 7

    The Race for the Killer

    Dong-Soo asserts that he and Tae-Suk must race to capture the killer first, agreeing that the victor should have control over the killer's fate. This agreement sets off a frantic chase filled with tension and tactical maneuvers.

  8. 8

    An Unexpected Murder

    In a shocking turn, Dong-Soo orders his henchman, Kwon Oh-Sung, to eliminate a rival using the killer’s weapon, complicating the investigation further. This reckless move draws the attention of law enforcement and escalates the ongoing case.

    Where:Gang Hideout

  9. 9

    Confrontation Between Allies

    Tae-Suk learns of Dong-Soo's actions and confronts him, leading to a heated argument about their priorities. This conflict emerges from their differing motivations—justice for Tae-Suk and vengeance for Dong-Soo.

    Where:Police Station

  10. 10

    Tae-Suk's Investigation Deepens

    As Taek-Suk delves deeper into the case, he encounters yet another kidnapping linked to the murderer. His determination to rescue the hostage leads to tense moments where he must outsmart the kidnapper to save the victim.

Show the other 5 events of The Gangster, the Cop, the Devil
  1. 11

    The Chase for Survival

    The investigation culminates in a thrilling chase as Tae-Suk and Dong-Soo, along with their respective groups, pursue the killer. The course of events brings both lawmen and criminals to a dangerous intersection filled with high-stakes confrontations.

  2. 12

    Capture of the Killer

    In a climactic moment, Tae-Suk and his team manage to capture Kang Kyung-Ho, the elusive murderer. Though Dong-Soo has his own agenda, Tae-Suk's pull for justice leads to the killer’s arrest and charges.

  3. 13

    Courtroom Drama Unfolds

    The courtroom becomes a battleground as the consequences of the events unfold. Dong-Soo's unexpected testimony links him to the killer, raising questions about his criminal past and complicating his fate amidst the legal proceedings.

    Where:Courtroom

  4. 14

    Fates Aligned

    In a gripping conclusion, Kyung-Ho is sentenced to death for his heinous acts, while Dong-Soo faces arrest for his criminal activities. The intertwined fates of lawman and outlaw become starkly clear as they both grapple with the implications of their choices.

  5. 15

    Final Standoff

    In a final, tense moment, Dong-Soo finds himself incarcerated alongside Kyung-Ho. With vengeance on his mind, he approaches the killer, setting the stage for a dramatic confrontation filled with uncertainty about what lies ahead.

    Where:Prison

Characters

Who Are the Main Characters in The Gangster, the Cop, the Devil?

3 characters, among them Jung Tae-Suk (Mu-Yeol Kim), Jang Dong-Soo (Dong-seok Ma) and Kang Kyung-Ho (Sung-kyu Kim): who each one is and the part they play in the story. Every profile links to the actor’s page.

  • Mu-Yeol Kim as Jung Tae-Suk (Mu-Yeol Kim) in The Gangster, the Cop, the Devil

    Jung Tae-Suk (Mu-Yeol Kim)

    Played by Mu-Yeol Kim

    Jung Tae-Suk is a dedicated police officer with a profound sense of justice. His commitment leads him to investigate a series of murders, even when faced with skepticism from his superiors. His character evolves as he navigates the murky waters of crime and collaboration with the gangster Dong-Soo, embodying the struggle between duty and moral ambiguity.

    • 👮‍♂️ Police
    • ⚔️ Justice
  • Dong-seok Ma as Jang Dong-Soo (Dong-seok Ma) in The Gangster, the Cop, the Devil

    Jang Dong-Soo (Dong-seok Ma)

    Played by Dong-seok Ma

    Jang Dong-Soo is a formidable gangster whose struggle for power intertwines with the unfolding investigation. He is portrayed as fierce yet strategic, often torn between his quest for vengeance and the implications of his actions. Through his character, the movie delves into the psyche of a criminal navigating loyalty, survival, and the pursuit of retribution.

    • 💪 Gangster
    • 🔥 Revenge
  • Sung-kyu Kim as Kang Kyung-Ho (Sung-kyu Kim) in The Gangster, the Cop, the Devil

    Kang Kyung-Ho (Sung-kyu Kim)

    Played by Sung-kyu Kim

    Kang Kyung-Ho is the elusive serial killer at the center of the chaos, shrouded in mystery and danger. His character represents the darkness lurking within humanity and the fear he instills in others. The eventual confrontation reveals the deep-seated issues of crime and justice, magnifying the twisted dynamics of the protagonists' pursuit of him.

    • 🔪 Killer
    • 🕵️‍♂️ Mystery
Setting

Where and When Is The Gangster, the Cop, the Devil Set?

The Gangster, the Cop, the Devil is set in City streets, Hospital and Gang territory. Here is why the place matters to the story.

When

The film does not specify an exact time period, but it reflects modern-day challenges related to crime and law enforcement. The characters grapple with contemporary issues in their respective roles as a gangster and a police officer, highlighting the dynamics of justice in today's society.

Where

City streets, Hospital, Gang territory

The movie takes place primarily in a bustling urban environment with city streets filled with crime and the constant tension between gangs. A significant portion of the storyline unfolds in a hospital where Dong-Soo is treated after a violent confrontation. The surrounding gang territories are depicted as dangerous and filled with lurking threats, embodying the struggle for power and control.

  • 🏙️ Urban
  • 🏥 Medical
  • 🔫 Crime
Themes

What Are the Themes of The Gangster, the Cop, the Devil?

3 ideas the story keeps returning to, among them Justice vs. Vengeance, Fate and Consequences and Deception.

  1. 01

    Justice vs. Vengeance

    This theme explores the delicate balance between the pursuit of justice and the desire for personal vengeance. Tae-Suk is driven by a commitment to law enforcement and solving murder cases, while Dong-Soo is motivated by revenge, leading to a clash of ideals. Their contrasting motivations unfold as they reluctantly join forces against a common foe, highlighting the complexities of justice.

  2. 02

    Fate and Consequences

    The interconnectedness of the characters’ actions leads to significant consequences that ultimately intertwine their fates. As Dong-Soo’s criminal past collides with Tae-Suk’s quest for justice, the film illustrates how past actions can come back to haunt individuals, impacting their future. The narrative emphasizes that every choice carries weight in the grand scheme of life.

  3. 03

    Deception

    Deception plays a crucial role in the story, as characters navigate a web of lies and misunderstandings. Dong-Soo's henchmen misinterpret the events, leading to violent confrontations based on false premises. The theme showcases how appearances can be misleading, and the truth is often hidden beneath layers of deception.

Tone & mood

What Kind of Film Is The Gangster, the Cop, the Devil?

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

Tone
Dark
Pacing
Fast
Story
Moderate
Intensity
High
Ending
Mixed

A relentless, high-stakes thriller that plunges the viewer into a gritty underworld of shifting alliances, where the hunt for a serial killer blurs the lines between cop and criminal, creating a constant sense of danger and moral decay.

  • tense
  • brutal
  • anxious
  • vengeful
  • gritty
  • oppressive
  • uneasy alliance
  • crime investigation
  • serial killer
  • police corruption

Content notes: serial killing, graphic violence, kidnapping, corruption.

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FAQ

The Gangster, the Cop, the Devil Plot Questions

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

What is The Gangster, the Cop, the Devil about?

The story opens in a gritty metropolis where shadows stretch across neon‑lit streets and the line between order and chaos is perpetually blurred. A powerful crime boss, scarred by a recent, brutal betrayal, is driven by a relentless need for retribution.

Read the full plot summary

When and where does The Gangster, the Cop, the Devil take place?

The Gangster, the Cop, the Devil is set in City streets, Hospital and Gang territory. The film does not specify an exact time period, but it reflects modern-day challenges related to crime and law enforcement.

The setting explained

Who are the main characters in The Gangster, the Cop, the Devil?

The story follows Jung Tae-Suk (Mu-Yeol Kim) (played by Mu-Yeol Kim), Jang Dong-Soo (Dong-seok Ma) (played by Dong-seok Ma) and Kang Kyung-Ho (Sung-kyu Kim) (played by Sung-kyu Kim).

All the characters

What are the main themes of The Gangster, the Cop, the Devil?

The summary picks out 3 themes: Justice vs. Vengeance, Fate and Consequences and Deception.

The themes explained

Who directed The Gangster, the Cop, the Devil?

The Gangster, the Cop, the Devil (2019) was directed by Won-Tae Lee and runs 1 hour 50 minutes.

Won-Tae Lee’s films

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