• 2020-04-17T13:00:00Z on SBS
  • 1h 12m
  • 19h 36m (16 episodes)
  • Korea, Republic of
  • English, Japanese, Chinese, Korean
  • Fantasy, Science Fiction, Drama, Romance
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.

16 episodes

Series Premiere

2020-04-17T13:00:00Z

1x01 Episode 1

Series Premiere

1x01 Episode 1

  • 2020-04-17T13:00:00Z1h 13m

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.

2020-04-18T13:00:00Z

1x02 Episode 2

1x02 Episode 2

  • 2020-04-18T13:00:00Z1h 13m

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.

2020-04-24T13:00:00Z

1x03 Episode 3

1x03 Episode 3

  • 2020-04-24T13:00:00Z1h 12m

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.

2020-04-25T13:00:00Z

1x04 Episode 4

1x04 Episode 4

  • 2020-04-25T13:00:00Z1h 13m

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.

2020-05-01T13:00:00Z

1x05 Episode 5

1x05 Episode 5

  • 2020-05-01T13:00:00Z1h 13m

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.

2020-05-02T13:00:00Z

1x06 Episode 6

1x06 Episode 6

  • 2020-05-02T13:00:00Z1h 13m

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.

2020-05-08T13:00:00Z

1x07 Episode 7

1x07 Episode 7

  • 2020-05-08T13:00:00Z1h 13m

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.

2020-05-09T13:00:00Z

1x08 Episode 8

1x08 Episode 8

  • 2020-05-09T13:00:00Z1h 13m

In Corea, Luna is set free. In Korea, Gon and Yeong run into a man who recognizes them, and Sin-jae experiences childhood flashbacks.

2020-05-15T13:00:00Z

1x09 Episode 9

1x09 Episode 9

  • 2020-05-15T13:00:00Z1h 12m

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.

2020-05-16T13:00:00Z

1x10 Episode 10

1x10 Episode 10

  • 2020-05-16T13:00:00Z1h 13m

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.

2020-05-22T13:00:00Z

1x11 Episode 11

1x11 Episode 11

  • 2020-05-22T13:00:00Z1h 13m

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.

2020-05-23T13:00:00Z

1x12 Episode 12

1x12 Episode 12

  • 2020-05-23T13:00:00Z1h 12m

Frightening circumstances land Tae-eul back in Gon's arms. When Yeong runs into a woman who looks strikingly familiar, he follows her.

2020-05-30T13:00:00Z

1x13 Episode 13

1x13 Episode 13

  • 2020-05-30T13:00:00Z1h 13m

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.

2020-06-05T13:00:00Z

1x14 Episode 14

1x14 Episode 14

  • 2020-06-05T13:00:00Z1h 12m

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.

2020-06-06T13:00:00Z

1x15 Episode 15

1x15 Episode 15

  • 2020-06-06T13:00:00Z1h 21m

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.

Season Finale

2020-06-12T13:00:00Z

1x16 Episode 16

Season Finale

1x16 Episode 16

  • 2020-06-12T13:00:00Z1h 17m

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.

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