Director: Baek Sang-Hoon, Jung Jee-hyun
Two Koreas, one crown, and a doorway between them: that's the premise powering The King: Eternal Monarch, a fantasy romance that treats parallel worlds as a matter of state.
What is The King: Eternal Monarch about?
Lee Gon rules the Kingdom of Korea, a modern constitutional monarchy that exists alongside — but never touches — the Republic of Korea most viewers know. When Lee Gon stumbles onto a passage linking the two realities, he crosses into a world where he isn't king, where his family history plays out differently, and where a homicide detective named Jung Tae-eul has no idea a monarch from another dimension is about to upend her life. Their bond deepens even as Lee Gon uncovers a decades-old betrayal: a man exploiting the same interdimensional gateway to steal identities, erase lives, and force people to fight their own doubles. Untangling that plot means Lee Gon has to choose how much of his own world he's willing to risk for a woman who technically shouldn't exist in it.
Cast & crew
Lee Min-ho anchors the series as Lee Gon, playing royalty with equal parts authority and quiet longing, while Kim Go-eun gives Jung Tae-eul a grounded skepticism that keeps the show's more fantastical turns believable. Woo Do-hwan, Kim Kyung-nam, and Jung Eun-chae fill out a supporting ensemble spanning both timelines the story moves between.
Context & significance
Directed by Baek Sang-hoon and Jung Jee-hyun, the series was one of the most anticipated South Korean dramas of its release window, built around lavish production design that distinguishes its two Koreas through costume, architecture, and color palette rather than exposition alone. It sits at the higher-budget end of the fantasy-romance genre that has become one of Korean television's signature exports.
Where & how to watch
The King: Eternal Monarch is available on K-Time with Farsi dubbing and subtitles, letting fans follow the dual-world storyline without losing any of its detail. Anyone can read about the series here for free; watching the episodes just requires signing into a K-Time account built with the Persian-speaking audience in mind.