Korean emperor Lee Gon tries to close the doors to a parallel world which was opened by demons; a detective tries to protect the people and the one she loves.
Where to watch
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Netflix
see all options Availability data: JustWatch
- Seasons
- 1
- Episodes aired
- 16
- Latest aired
- S01E16
- Total runtime
- 19h 35min
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S01E01 Episode 1
April 17 · 73min find the promo
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Lee Gon mourns the tragic death of his father. Lee Lim goes on the run — and finds escape when he comes across a door to a parallel universe.
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S01E02 Episode 2
April 18 · 73min find the promo
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Gon insists he is an emperor from another world. An incredulous Jeong Tae-eul takes him to the police station, where he sees a familiar face.
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S01E03 Episode 3
April 24 · 72min find the promo
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Though Tae-eul finds Gon's story difficult to believe, some things about him are completely inexplicable. At work, she gets busy with a murder case.
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S01E04 Episode 4
April 25 · 73min find the promo
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When Tae-eul loses her police badge, she can't help but think about Gon. Meanwhile, Kang Sin-jae has had it with his mother's bad habits.
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S01E05 Episode 5
May 1 · 73min find the promo
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Being introduced to Gon's world is a lot to process for Tae-eul, who's taken to the palace. A disgruntled Jo Yeong keeps an eye on her.
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S01E06 Episode 6
May 2 · 73min find the promo
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A potential military conflict threatens the kingdom. Gon promises Tae-eul he will return to her, and steps forward to take care of the situation.
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S01E07 Episode 7
May 8 · 73min find the promo
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Gon brings Yeong along on his trip back to Tae-eul. He has a favor to ask of her, while she's found something troubling to share with him.
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S01E08 Episode 8
May 9 · 73min find the promo
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In Corea, Luna is set free. In Korea, Gon and Yeong run into a man who recognizes them, and Sin-jae experiences childhood flashbacks.
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S01E09 Episode 9
May 15 · 72min find the promo
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Gon draws closer to tracking down Lim, and asks Jo Eun-sup to trade places with Yeong. Mail from an unknown sender bothers Koo Seo-ryeong.
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S01E10 Episode 10
May 16 · 73min find the promo
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On Lunar New Year, Gon and Lim come face-to-face in a public standoff. Tae-eul opens up to Sin-jae about the other world and her ongoing case.
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S01E11 Episode 11
May 22 · 72min find the promo
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A compelling offer finds its way to Luna. Gon's investigation into a devastating murder leads him to an old traitor and a clearer idea of Lim's schemes.
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S01E12 Episode 12
May 23 · 72min find the promo
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Frightening circumstances land Tae-eul back in Gon's arms. When Yeong runs into a woman who looks strikingly familiar, he follows her.
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S01E13 Episode 13
May 30 · 73min find the promo
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Knowing Seo-ryeong is up to no good, Gon throws her in a tight spot. Upon returning to her world, Tae-eul realizes Luna is there, too.
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S01E14 Episode 14
June 5 · 72min find the promo
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Gon and Tae-eul are separated when he sets out to fulfill what's been his fate all along. Sin-jae makes a startling discovery.
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S01E15 Episode 15
June 6 · 81min find the promo
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Lim plots his next meeting with Gon. Understanding there's only one thing he can do to right wrongs, Gon comes to a heart-wrenching decision.
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S01E16 Episode 16
June 12 · 77min find the promo
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A final attempt to put a stop to Lim's ambitions comes with profound consequences. Gon travels far and wide in search of Tae-eul.