Tempest Season 1 (2025) – Cast, Episodes, Plot & Where to Watch. K-drama fans, get ready! Tempest (북극성 / The North Star / Bookgeukseong) has officially landed in 2025, and it’s already sparking global buzz. Blending political drama, suspense, and action, this new series is set to keep viewers on the edge of their seats.
With an impressive cast led by Jun Ji-hyun, Gang Dong-won, and John Cho, and created by award-winning writer Chung Seo-kyung, Tempest promises a thrilling ride into the world of diplomacy, espionage, and secrets hidden in plain sight.
Tempest Season 1 (2025) – Cast, Episodes, Plot & Where to Watch
Tempest (2025) Overview
- Title: Tempest (Season 1)
- Alternative Titles: Bookgeukseong, The North Star, 북극성
- IMDb Rating: 6.2 (5,321 votes)
- Episodes: 9
- Total Runtime: 4 hours 39 minutes
- Genre: Political Drama, Thriller, Action
- Developed by: Chung Seo-kyung
- Main Cast: Jun Ji-hyun, Gang Dong-won, John Cho
- Release Date: 10 September 2025
- Streaming on: Disney+ (Netherlands, US, UK) and Hulu
Tempest Plot – What’s It About?
The story follows Munju (Jun Ji-hyun), a brilliant diplomat and former ambassador to the United States. Known for her sharp judgment and credibility on the world stage, Munju becomes entangled in a shocking murder case with deep ties between South Korea and North Korea.
To uncover the truth, she joins forces with Sanho (Gang Dong-won), an elite mercenary whose past and nationality remain shrouded in mystery. Together, they confront dangerous political maneuvering, secret intelligence operations, and a conspiracy that could change the balance of power on the Korean peninsula.
Adding international flavor to the drama is John Cho, who plays a key figure that expands the show’s global scope.
Tempest Season 1 Episode Guide
Here’s the release schedule for Season 1 on Disney+ and Hulu:
- Episode 1 – 10 September 2025 (51 minutes)
- Episode 2 – 10 September 2025 (55 minutes)
- Episode 3 – 10 September 2025 (52 minutes)
- Episode 4 – 17 September 2025 (52 minutes)
- Episode 5 – 17 September 2025 (1h 09m)
- Episode 6 – 24 September 2025
- Episode 7 – 24 September 2025
- Episode 8 – 1 October 2025
- Episode 9 – 1 October 2025
Cast & Crew
- Jun Ji-hyun as Munju – A sharp-minded diplomat chasing justice.
- Gang Dong-won as Sanho – A mysterious mercenary with hidden motives.
- John Cho – An international figure with ties to the unfolding conspiracy.
- Developer/Writer: Chung Seo-kyung – Known for creating layered, character-driven dramas.
Why You Should Watch Tempest
If you love K-dramas with international stakes, Tempest is a must-watch. Here’s why:
- Star-studded cast – Jun Ji-hyun and Gang Dong-won are legends in Korean cinema.
- Global appeal – A Korean drama with Hollywood star John Cho makes it unique.
- Political thriller meets action – Perfect if you enjoyed shows like Designated Survivor or Vincenzo.
- Weekly suspense – Episodes drop in batches, keeping you hooked with cliffhangers.
Where to Watch Tempest Online
- Disney+ – Available in the Netherlands, US, and UK
- Hulu – Stream Season 1 in the US
- JustWatch – Check availability in your country
Final Thoughts
Tempest – Season 1 (2025) is shaping up to be one of the biggest Korean dramas of the year, mixing political games, espionage, and powerful performances. Whether you’re a longtime K-drama fan or just discovering the genre, this show is one to add to your watchlist.