Tempest (2025) official poster
📺 K-Drama Guide · Action · Thriller

Tempest

북극성 · 2025
✅ Completed · 9 eps
🎬 Disney+ · Hulu
⭐ 8.1 / 10 MDL
🔞 15+ · Teens
⚡ Updated · Apr 6, 2026

📋 Drama Overview

Everything you need to know before you hit play.

Tempest (2025) official poster
Completed
🔥 Spy Thriller Must-Watch
Tempest
북극성 (Bukgeukseong) · 2025 · South Korea
WriterJeong Seo-kyeong
DirectorKim Hee-won, Heo Myeong-haeng
Episodes9 eps · ~60 min each
⏱️ Binge Time9h 0m
AiredSep 10 – Oct 1, 2025
GenreAction · Thriller · Romance
Content Rating15+ · Teens 15 or older

Disney+
Hulu
Spy
Political Intrigue
Espionage
Assassination
Romance

Seo Mun-ju, a seasoned diplomat and former UN ambassador, is thrust into a deadly conspiracy when her husband — a presidential candidate — is assassinated at a political mass. Forced into the open and hunted from all sides, she forms an uneasy alliance with Baek San-ho, a Korean-American mercenary of mysterious origin, as the two race to uncover the truth before the Korean peninsula is pushed to the brink of war.

Written by Jeong Seo-kyeong — Park Chan-wook’s longtime collaborator on Decision to Leave and The Handmaiden — and directed by Kim Hee-won of Queen of Tears fame, Tempest is Disney+’s most ambitious Korean original to date: a nine-episode spy romance built around two of the industry’s biggest stars, a ₩70 billion budget, and an international cast that includes American actors John Cho and Christopher Gorham. The result is a show that moves at blockbuster speed and burns brightest when its two leads are in the same room.

Episode Progress
9 / 9 ✅ Completed

▶ Official Trailer

🎭 Cast & Characters

The faces behind the storm.

Gianna Jun as Seo Mun-ju in Tempest (2025)
Gianna Jun
Seo Mun-ju

Lead

Gang Dong-won as Baek San-ho in Tempest (2025)
Gang Dong-won
Baek San-ho

Lead

Lee Mi-sook as Im Ok-seon in Tempest (2025)
Lee Mi-sook
Im Ok-seon

Villain

Park Hae-joon as Jang Joon-ik in Tempest (2025)
Park Hae-joon
Jang Joon-ik

Supporting

Kim Hae-sook as Chae Kyung-sin in Tempest (2025)
Kim Hae-sook
Chae Kyung-sin

Supporting

John Cho as Anderson Miller in Tempest (2025)
John Cho
Anderson Miller

Supporting

🍿 Where to Watch

Stream Tempest on these platforms.

📺 Episode Guide

Spoiler-light recaps — all 9 episodes.

Tempest Episode 1 — The Shot Heard Round Korea
EP 01
The Shot Heard Round Korea
September 10, 2025
We meet Seo Mun-ju — diplomat, dutiful wife, woman who gave up her own career to stand behind a man running for president. Then a gunshot rings out at a Catholic mass, and everything changes. Jun Ji-hyun doesn’t waste a single frame establishing who Mun-ju is: the instinct to shield her husband before the panic sets in is the whole character in one gesture. The conspiracy announces itself fast, and Gang Dong-won’s San-ho slides into the frame like a shadow that was always there.

Tempest Episode 2 — Into the Storm
EP 02
Into the Storm
September 10, 2025
The shadow behind the assassination starts to take shape. Mun-ju refuses to be managed or sidelined — she decides to enter the presidential race herself, which is either the bravest or most reckless move she could make. San-ho’s assignment comes into clearer focus: he was sent to protect her, but by whom remains deliberately opaque. The episode builds the conspiracy’s scaffolding without showing its ceiling, which is exactly the right move at this stage.

Tempest Episode 3 — Candidacy
EP 03
Candidacy
September 10, 2025
Mun-ju announces her candidacy — and the forces trying to stop her immediately escalate. San-ho saves her again, this time with a precision that makes it clear he’s been watching her far longer than this week. The Catholic imagery introduced in episode one pays off here: two necklaces, two different intentions, one woman who has learned not to accept anything at face value. The chemistry between the leads is already doing real work — less romantic spark, more mutual recognition of two people built for exactly this kind of danger.

Tempest Episode 4 — The Bodyguard
EP 04
The Bodyguard
September 17, 2025
San-ho officially becomes Mun-ju’s bodyguard, which pulls the show into its most interesting gear: two extremely capable people in close quarters who haven’t decided whether to trust each other. Gang Dong-won plays San-ho’s restraint like a pressure valve — the tension isn’t romantic yet, it’s something more interesting. A national security threat crystallizes in the background, and the episode ends with the whole situation feeling like it’s about to crack open.

Tempest Episode 5 — Dead Secrets
EP 05
Dead Secrets
September 17, 2025
The episode that rewrites everything Mun-ju thought she knew about her husband. A key witness is killed before he can talk, another woman enters the picture with a claim that reshapes the emotional landscape, and the conspiracy’s reach turns out to extend much further than anyone suspected. Jun Ji-hyun carries the entire weight of this hour — Mun-ju can’t let the personal devastation show, because the political fight can’t pause for grief. The kiss at the episode’s end is earned precisely because it’s born from necessity and exhaustion, not choreographed romance.

Tempest Episode 6 — War Games
EP 06
War Games
September 24, 2025
North Korea launches a submarine — but it isn’t what the US claimed it would be, and the entire war narrative starts to look manufactured. Mun-ju puts the truth in public view before the powers behind the curtain can manage the story, which costs her the president’s goodwill and accelerates the danger she’s in. The geopolitical layer of the show is at its sharpest here, and Lee Mi-sook’s Im Ok-seon finally steps out from the background into full villain territory.

Tempest Episode 7 — Two Stars
EP 07
Two Stars
September 24, 2025
A betrayal shakes Mun-ju to her core — the one person she thought she could rely on turns out to be carrying a secret that changes the shape of everything. The episode stacks revelations with real efficiency: the identity of “Stella Young” opens into something genuinely unexpected, and the climax — Mun-ju and San-ho cornered, NIS closing in, and then a window and the sea — is the show’s most purely kinetic sequence. They surface together. It means something.

Tempest Episode 8 — The Truth About Everything
EP 08
The Truth About Everything
October 1, 2025
The conspiracy gets its full accounting: shell companies, fabricated submarine intelligence, and a financial network built to profit from war. San-ho tells Mun-ju how he first saw her — a speech about peace in a warzone, years ago — and what she represented to a man who had no country to call home. It’s the drama’s most quietly devastating scene, and Gang Dong-won delivers it with the kind of economy that makes you want to rewind and watch it twice. The finale is loading.

Tempest Episode 9 — North Star
EP 09
North Star
October 1, 2025
The finale packs in the confrontation, the war prevented, the truth surfaced — and one final choice about San-ho that the show has enough nerve to leave deliberately open. He buries the necklace. She starts her campaign for the presidency. It isn’t a clean ending, and it doesn’t try to be. The love story isn’t over so much as deferred — which is either a Season 2 setup or simply the only honest resolution for two people shaped by this kind of world. Both readings hold up.

✍️ KDramaWorlds Editor’s Take

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

⚡ High-Voltage Action
🕵️ Spy Intrigue
💥 Slow-Burn Chemistry
🌏 Geopolitical Stakes
💔 Bittersweet Ending

Gianna Jun’s return to dramaland after Jirisan — and Gang Dong-won’s return after two decades away from television — was the kind of casting news that generates real anticipation. Tempest mostly justifies it. Jun plays Seo Mun-ju with the controlled authority of someone who has been in rooms where lives are decided and knows exactly how to read the temperature. The writing gives her a full emotional interior — a marriage that’s become performance, a grief she can’t show publicly, and a political ambition she didn’t plan for — and she carries all of it without any of it becoming melodrama. Gang Dong-won, meanwhile, does something genuinely unusual for this genre: he plays a mercenary who is quiet, respectful, and emotionally intelligent. San-ho’s intensity comes from precision and presence, not brute force.

Tempest (2025) — cinematic still

The show’s most divisive quality is the same one that made it a global conversation: the geopolitical canvas. Some viewers found the international conspiracy genuinely tense and the Korean-American production value a step forward for the genre. Others felt the depiction of specific countries was handled carelessly, and the finale’s blockbuster escalation undermined the political sharpness the first half had built so carefully. Both reactions have merit. Writer Jeong Seo-kyeong is operating at a different register from her Park Chan-wook collaborations here — the scale requires a different kind of storytelling, and the script occasionally sacrifices character depth for plot momentum, especially in episodes seven and eight. Lee Mi-sook, however, is magnificent throughout: her Im Ok-seon is the show’s most fully realized villain precisely because she plays her as a pragmatist, not a monster.

Tempest is ultimately a very good spy romance that wanted to be a great political thriller — and didn’t quite get there. The first five episodes are tight, confident, and have a specific cinematic quality that most K-dramas don’t attempt. The finale trades that restraint for noise. Still: Gianna Jun and Gang Dong-won’s chemistry is the real engine, and when the show trusts it — episode five’s aftermath, episode eight’s confession scene — it delivers exactly what it promises. Not the masterpiece the casting deserved. More than worth nine hours of your time.

👍👍👍 BEST FOR 👍👍👍
🕵️ Fans of Crash Landing on You, Mr. Sunshine, or Moving
🌏 Viewers who love globe-spanning political thrillers with genuine star power
💥 Anyone who’s been waiting for Gianna Jun and Gang Dong-won to finally share a screen

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