The Killing Vote (2023) official poster
📺 K-Drama Guide · Thriller · Mystery

The Killing Vote

국민사형투표 · 2023
✅ Completed · 12 eps
🎬 Prime Video · Viki
⭐ 8.0 / 10 MDL
🔞 15+ · Thriller
⚡ Updated · Apr 15, 2026

📋 Drama Overview

Everything you need to know before you hit play.

The Killing Vote (2023) official poster
Completed
🔥 Thriller Must-Watch
The Killing Vote
국민사형투표 (Gukminsahyeongtupyo) · 2023 · South Korea
WriterJo Yoon-young
DirectorPark Shin-woo
Episodes12 eps · ~70 min each
⏱️ Binge Time14h 0m
AiredAug 10 – Nov 16, 2023
GenreThriller · Mystery · Horror
Content Rating15+ · Teens 15 or older

Prime Video
Viki
Vigilante Justice
Crime
Death Penalty
Moral Ambiguity
Police Procedural

South Korea has a justice problem. Heinous criminals walk free on technicalities, victims get no closure, and the public’s fury has nowhere to go — until Gaetal appears. A figure in a dog mask begins broadcasting to every adult citizen at once: here is a criminal who escaped punishment. Vote yes or no. If the majority says yes, Gaetal carries out the execution personally. The first vote crosses 50%. The second. The third. And with each one, the question stops being “who is Gaetal?” and starts being something harder: why is half the country hoping they never find out?

Three people circle the case from very different angles. Kim Mu Chan (Park Hae-jin) is the hot-tempered police team leader assigned to catch the vigilante before public opinion makes the job impossible. Kwon Seok Ju (Park Sung-woong) is a former legal scholar serving time in prison for killing his daughter’s rapist himself — a man who knows exactly what Gaetal is building and why. And Ju Hyeon (Im Ji-yeon) is the cyber-crime officer pulled into the task force, undercover, learning that the truth about Gaetal might be more destabilising than the executions themselves.

Episode Progress
12 / 12 ✅ Completed

⚡ Quick Verdict

One box. Everything you need to decide.

⭐ Worth it?YES — if you want moral complexity with your thrills
⏱️ CommitmentHigh — ~14 hours total
💛 VibeDark · Tense · Morally Uncomfortable
📺 Skip if…You need a clean, satisfying resolution

⭐ 8.0 / 10
· MDL Score · 10,576 ratings

▶ Official Trailer

🎭 Cast & Characters

Twelve performances that build a world where the line between justice and murder runs straight through the audience.

Park Hae-jin as Kim Mu Chan in The Killing Vote (2023)
Park Hae-jin
Kim Mu Chan

Lead

Im Ji-yeon as Ju Hyeon in The Killing Vote (2023)
Im Ji-yeon
Ju Hyeon

Lead

Park Sung-woong as Kwon Seok Ju in The Killing Vote (2023)
Park Sung-woong
Kwon Seok Ju

Lead

Kim Yoo-mi as Min Ji-yeong in The Killing Vote (2023)
Kim Yoo-mi
Min Ji-yeong

Antagonist

Shin Jung-keun as Choi Jin Su in The Killing Vote (2023)
Shin Jung-keun
Choi Jin Su

Supporting

Kim Kwon as Lee Min Su in The Killing Vote (2023)
Kim Kwon
Lee Min Su

Supporting

Choi Yu-hwa as Chae Do Hui in The Killing Vote (2023)
Choi Yu-hwa
Chae Do Hui

Supporting

Seo Young-joo as Kim Ji Hun in The Killing Vote (2023)
Seo Young-joo
Kim Ji Hun

Supporting

Kwon Ah-reum as Ju Min in The Killing Vote (2023)
Kwon Ah-reum
Ju Min

Supporting

Cha Rae-hyung as Park Cheol Min in The Killing Vote (2023)
Cha Rae-hyung
Park Cheol Min

Supporting

Oh Ji-hye as Yang Hye Jin in The Killing Vote (2023)
Oh Ji-hye
Yang Hye Jin

Supporting

Ko Gun-han as Kim Jo Dan in The Killing Vote (2023)
Ko Gun-han
Kim Jo Dan

Supporting

🍿 Where to Watch

Stream The Killing Vote on these platforms.

📺 Episode Guide

Spoiler-light recaps — enough to remember where you left off, nothing that ruins the ride.

The Killing Vote Episode 1 — Let the Killing Vote Begin
EP 01
Let the Killing Vote Begin
Aug 10, 2023 · SBS
A figure in a dog mask — calling himself Gaetal — broadcasts to every adult Korean simultaneously: here is a serial child exploiter who walked free. Vote yes or no. The majority votes yes. Gaetal executes. The Special Investigation Headquarters is formed with Mu Chan at the helm, and a stunned nation starts asking which side of the vote it’s actually on.

The Killing Vote Episode 2 — You Know Who's Next
EP 02
You Know Who’s Next
Aug 17, 2023 · SBS
The second vote is announced before the first investigation even finds its footing. Mu Chan turns to cyber officer Ju Hyeon to establish contact with imprisoned scholar Kwon Seok Ju — a man who killed his daughter’s rapist himself and who the team believes can decode Gaetal’s logic. The second execution follows, and the investigation team faces an uncomfortable truth: the public isn’t really looking for Gaetal to be stopped.

The Killing Vote Episode 3 — The Third Vote Begins
EP 03
The Third Vote Begins
Aug 24, 2023 · SBS
A video announcing the third Killing Vote surfaces online and goes viral before the police can pull it down. Ju Hyeon goes undercover inside the prison to get closer to Seok Ju, who proves resistant and evasive. The investigation scrambles to identify the next target before Gaetal does, while public fascination continues to outpace public fear.

The Killing Vote Episode 4 — Who Is Gaetal?
EP 04
Who Is Gaetal?
Aug 31, 2023 · SBS
The third target — a corrupt police captain — is identified and the team rushes to provide protection before the vote concludes. Ju Hyeon begins to piece together Seok Ju’s background and what he may have lost. The precision and reach of Gaetal’s operation suggests not a lone actor but an infrastructure — someone with access to information that shouldn’t be public.

The Killing Vote Episode 5 — The Explosion
EP 05
The Explosion
Sep 7, 2023 · SBS
The car transporting the third target — with Mu Chan inside — explodes. The attack is too precise to be improvised, pointing to a leak inside the investigation itself. Ju Hyeon, shaken by the nearness of the violence, begins to question who in the task force she can trust. The line between catching Gaetal and being complicit in the system Gaetal is punishing starts to blur.

The Killing Vote Episode 6 — Gaetal's Message
EP 06
Gaetal’s Message
Sep 14, 2023 · SBS
Gaetal broadcasts directly to the public — not just announcing a target but framing the Killing Votes as a form of democracy the courts failed to provide. Media host Chae Do Hui amplifies the message, and public opinion begins to tilt. The police are no longer just trying to catch a killer — they’re trying to argue, against mounting evidence, that catching this killer is actually what the public should want.

The Killing Vote Episode 7 — The Truth About Ji Hoon
EP 07
The Truth About Ji Hoon
Sep 21, 2023 · SBS
The backstory of young Kim Ji Hoon is revealed — he lost his parents as a child in a tragedy connected to the justice system’s failures, tying his arc to the drama’s central question. A new Killing Vote target is named under circumstances more morally ambiguous than the previous ones, and Ju Hyeon finds herself unable to feel the certainty about Gaetal that her role demands.

The Killing Vote Episode 8 — Closing In
EP 08
Closing In
Sep 28, 2023 · SBS
The task force narrows in on Lee Min Soo, the high school teacher with deep ties to Seok Ju, as a key figure in Gaetal’s operation. A piece of evidence surfaces that connects threads the investigation had been treating separately. Mu Chan pushes his team beyond their limits — and the show begins to ask whether his methods and Gaetal’s are as different as he needs them to be.

The Killing Vote Episode 9 — The System Exposed
EP 09
The System Exposed
Oct 5, 2023 · SBS
Min Soo steals the Killing Vote system itself, revealing the true scale of the operation — and how many people may have been involved all along. Ju Hyeon infiltrates Min Soo’s hidden room and finds evidence that reframes everything. The identity of the real architect behind Gaetal begins to take shape, and it points somewhere nobody in the task force was prepared for.

The Killing Vote Episode 10 — Secrets and Sacrifices
EP 10
Secrets and Sacrifices
Oct 12, 2023 · SBS
Gaetal’s true identity becomes unmistakable to those closest to the case. National Assembly member Min Ji-yeong’s political ambitions are revealed to be deeply entangled with the Killing Vote’s rise — less a vigilante story now than a political one. Mu Chan confronts the possibility that what he’s been trying to stop is also the only thing holding certain powerful people accountable.

The Killing Vote Episode 11 — Countdown
EP 11
Countdown
Nov 9, 2023 · SBS
Min Soo is killed — a scheme engineered by Min Ji-yeong to eliminate a crucial witness and consolidate her position. Seok Ju, consumed by guilt and a desire to end the cycle of violence he helped create, announces his own name as the next Killing Vote target: a self-imposed death sentence by public verdict. Kim Ji Hoon races to reach him before the vote closes, and the drama enters its most personal confrontation yet.

The Killing Vote Episode 12 — Happiness
EP 12
Happiness
Nov 16, 2023 · SBS
The public receives the Killing Vote targeting Kwon Seok Ju — and in a stunning reversal, the majority votes to abstain. Mercy wins. Prison guard Park Cheol Min tackles Seok Ju at the waterfront and both fall in, leaving Seok Ju’s fate deliberately unresolved. Min Ji-yeong’s scheme is exposed. And in the drama’s final image, an unknown figure retrieves the Gaetal mask and puts it on — suggesting the system Gaetal built survived its creator.

🏁 Ending Explained

Full spoilers ahead — everything that happens in the finale and what it all means.

⚠️
Spoiler Warning — This section covers the full finale of The Killing Vote. Stop here if you haven’t finished the series.

The Vote Nobody Expected. The finale’s defining moment is the reversal at the heart of everything Gaetal built. When the Killing Vote goes out targeting Kwon Seok Ju — the imprisoned scholar who helped create the system — the public does something it has never done before. The majority votes no. Or more precisely: they abstain. After twelve episodes of overwhelming public approval for each execution, the one vote that might have justified the entire project is denied. The crowd that cheered for Gaetal refuses to kill the man who made Gaetal possible. It’s the show’s most interesting thesis statement: the public’s bloodlust has limits, and mercy — even for someone complicit in everything — still lives somewhere in it.

The Killing Vote (2023) Episode 11 — Countdown

Seok Ju’s Fate — the Ambiguity Is the Point. In the chaos after the vote result, prison guard Park Cheol Min — who has been protecting Seok Ju throughout — tackles him at the waterfront. Both fall into the water. Neither is shown resurfacing. The drama cuts away and never resolves it. This is a deliberate choice, not a loose end: Seok Ju’s survival would require the show to take a position on whether he deserves to live, and The Killing Vote has spent twelve episodes refusing to take clean moral positions. His fate remains yours to decide — which is, in its own way, the last Killing Vote.

Min Ji-yeong’s Collapse. The politician who orchestrated the death of Min Soo to protect herself is exposed. Her scheme unravels in the finale with a speed that will frustrate viewers who wanted more runway, but the essential point lands: the Killing Vote system was never purely about vigilante justice. It was also a political instrument, and the people who tried to use it for power are destroyed by it. Assemblyman Kang Ji-seok’s brief cameo in the final episode gestures at how deep the political machinery runs — without fully exploring it.

The Killing Vote (2023) Episode 8 — Closing In

The New Gaetal. The drama’s final image is its most debated: an unidentified figure in shadow picks up the dog mask and puts it on. The Killing Vote system has not died with its architects. A new cycle is beginning. This is either a brilliantly open ending that trusts the audience to sit with the discomfort — or sequel-bait that substitutes implication for resolution, depending entirely on your tolerance for ambiguity. What it does clearly communicate is that Gaetal was never a person. It was an idea, and ideas don’t drown.

What the Show Was Actually About. Stripped of its thriller mechanics, The Killing Vote is a drama about legitimacy — who has the right to decide when someone dies, and whether popular consensus is the same as justice. The Killing Votes are popular. The criminals chosen are guilty. The executions are efficient. And none of that is enough for the show to endorse them. The discomfort is designed: every time you found yourself hoping the vote would pass, the drama was watching you back. The mask fits everyone who wanted it to.

The Killing Vote (2023) Episode 1 — Let the Killing Vote Begin

✍️ KDramaWorlds Editor’s Take

Our honest read on why this drama is worth your time — and who it’s for.

⚖️ Vigilante Tension🗳️ Democratic Horror🔥 Morally Uncomfortable🧠 Social Commentary🎭 Career-Best Performances

The Killing Vote’s premise is its greatest asset and its toughest challenge. A masked vigilante who executes criminals by popular vote sounds like it could tip into exploitation or sensationalism within minutes — and the fact that it doesn’t, for most of its run, is largely down to Park Hae-jin. His Kim Mu Chan is not a clean hero. He’s aggressive, institutionally loyal, and genuinely bothered by the idea that the public might be right. Park plays that friction without softening it, and the result is one of those rare K-drama protagonists who doesn’t ask you to like him — just to follow him. Through the Darkness is the only 2022 crime thriller that matches this show’s commitment to keeping its investigators morally fallible.

The Killing Vote (2023) — cinematic still

Park Sung-woong as Kwon Seok Ju is the show’s philosophical anchor — a man who already crossed the line Gaetal is dancing on, and who has spent years in prison thinking about what that means. His scenes with Im Ji-yeon are the drama’s most charged, because Ju Hyeon is trying to use him while he’s quietly deciding whether she’s worth being used by. The middle stretch — episodes 7 through 9 — is where the show occasionally loses momentum repeating its investigative beats. But the political subplot involving Kim Yoo-mi’s Min Ji-yeong arrives in time to reframe the stakes entirely: this isn’t just about one masked killer, it’s about who benefits from the fear of one.

The finale will divide viewers cleanly. If you came for resolution — a Gaetal unmasked, a justice system reformed, a protagonist who’s earned his peace — this is not the ending you’ll get. The show closes with an open mask, an ambiguous drowning, and a new unknown inheritor of the dog face. Some read this as cowardice; others as the only honest ending a show this morally complex could have written. What’s undeniable is that The Killing Vote does something most K-drama thrillers don’t: it puts the audience in the booth. Whether you voted yes or no says more about you than it does about Gaetal.

👍👍👍 BEST FOR 👍👍👍
⚖️ Viewers who want their thrillers to have an actual thesis
🎭 Park Hae-jin fans — this is his most complex performance to date
🔥 Anyone who liked Juvenile Justice or Taxi Driver but wanted darker stakes

⚖️ Final Verdict
What works
Park Hae-jin at his most morally complicated and compelling
The Gaetal premise is one of 2023’s most original thriller hooks
Moral ambiguity that’s genuine — the show never tells you who to root for
Park Sung-woong’s Seok Ju is the most intellectually rich character in the drama

What to know first
Middle episodes drag — the investigation repeats beats before landing
The finale is deliberately open-ended — expect no tidy closure
Political subplot occasionally dilutes the tighter vigilante thriller
Some supporting characters get underdeveloped in the final stretch

8.0 / 10A thriller that weaponizes public outrage into genuine tension — watch it for the premise, stay for Park Hae-jin.

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