1. Episode #1.1 ⭐ 8.4

17 Apr, 2020 · 746 votes

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.

Director: Baek Sang-Hoon

Watch Episode 1

2. Episode #1.2 ⭐ 8.1

18 Apr, 2020 · 681 votes

Lee 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.

Director: Baek Sang-Hoon

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3. Episode #1.3 ⭐ 8.1

24 Apr, 2020 · 654 votes

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.

Director: Baek Sang-Hoon

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4. Episode #1.4 ⭐ 8.6

25 Apr, 2020 · 645 votes

When Tae Eul loses her police badge, she can't help but think about Gon. Meanwhile, Kang Shin Jae has had it with his mother's bad habits.

Director: Baek Sang-Hoon

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5. Episode #1.5 ⭐ 8.6

01 May, 2020 · 640 votes

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.

Director: Baek Sang-Hoon

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6. Episode #1.6 ⭐ 8.3

02 May, 2020 · 635 votes

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.

Director: Baek Sang-Hoon

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7. Episode #1.7 ⭐ 8.3

08 May, 2020 · 623 votes

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.

Director: Baek Sang-Hoon

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8. Episode #1.8 ⭐ 8.3

09 May, 2020 · 621 votes

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

Director: Baek Sang-Hoon

Watch Episode 8

9. Episode #1.9 ⭐ 8.6

15 May, 2020 · 620 votes

Gon draws closer to tracking down Lim, and asks Jo Eun Seob to trade places with Yeong. Mail from an unknown sender bothers Koo Seo Ryeong.

Director: Baek Sang-Hoon

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10. Episode #1.10 ⭐ 8.6

16 May, 2020 · 620 votes

On Lunar New Year, Gon and Lim come face-to-face in a public standoff. Tae Eul opens up to Shin Jae about the other world and her ongoing case.

Director: Baek Sang-Hoon

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11. Episode #1.11 ⭐ 9

22 May, 2020 · 706 votes

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.

Director: Baek Sang-Hoon

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12. Episode #1.12 ⭐ 8.9

23 May, 2020 · 654 votes

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

Director: Baek Sang-Hoon

Watch Episode 12

13. Episode #1.13 ⭐ 8.8

30 May, 2020 · 596 votes

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.

Director: Baek Sang-Hoon

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14. Episode #1.14 ⭐ 9

05 Jun, 2020 · 614 votes

Gon and Tae Eul are separated when he sets out to fulfill what's been his fate all along. Shin Jae makes a startling discovery.

Director: Baek Sang-Hoon

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15. Episode #1.15 ⭐ 8.6

06 Jun, 2020 · 580 votes

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.

Director: Baek Sang-Hoon

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16. Episode #1.16 ⭐ 8.5

12 Jun, 2020 · 571 votes

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.

Director: Baek Sang-Hoon

Watch Episode 16