Episode 1
Episode: 1x01 | Airdate: Apr 17, 2020
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.
Episode: 1x01 | Airdate: Apr 17, 2020
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.
Episode: 1x02 | Airdate: Apr 18, 2020
Gon insists he's an emperor from another world. An incredulous Jeong Tae-eul takes him to the police station, where he sees a familiar face.
Episode: 1x03 | Airdate: Apr 24, 2020
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.
Episode: 1x04 | Airdate: Apr 25, 2020
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.
Episode: 1x05 | Airdate: May 1, 2020
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.
Episode: 1x06 | Airdate: May 2, 2020
A potential military conflict theatens the kingdom. Gon promises Tae-eul he will return to her, and steps forward to take care of the situation.
Episode: 1x07 | Airdate: May 8, 2020
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.
Episode: 1x08 | Airdate: May 9, 2020
In Corea, Luna is set free. In Korea, Gon and Yeong run into a man who recognizes them, and Sin-jae experiences childhoos flashbacks.
Episode: 1x09 | Airdate: May 15, 2020
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.
Episode: 1x10 | Airdate: May 16, 2020
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.
Episode: 1x11 | Airdate: May 22, 2020
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.
Episode: 1x12 | Airdate: May 23, 2020
Frightening circumstances land Tae-eul back in Gon's arms. When Yeong runs into a woman who looks strikingly familiar, he follows her.
Episode: 1x13 | Airdate: May 30, 2020
Knowing Seo-ryeong is up to no good, Gon throws her in a tight spot. Upon returning to her wordl, Tae-eul realizes Luna is there, too.
Episode: 1x14 | Airdate: Jun 5, 2020
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.
Episode: 1x15 | Airdate: Jun 6, 2020
Lims 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.
Episode: 1x16 | Airdate: Jun 12, 2020
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.