第 1 季 共 16 集
播出时间：2020年4月18日
第 1 集 Episode 1
播出时间：2020年4月18日
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.
第 2 集 Episode 2
播出时间：2020年4月19日
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.
第 3 集 Episode 3
播出时间：2020年4月25日
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.
第 4 集 Episode 4
播出时间：2020年4月26日
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.
第 5 集 Episode 5
播出时间：2020年5月2日
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.
第 6 集 Episode 6
播出时间：2020年5月3日
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.
第 7 集 Episode 7
播出时间：2020年5月9日
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.
第 8 集 Episode 8
播出时间：2020年5月10日
In Corea, Luna is set free. In Korea, Gon and Yeong run into a man who recognizes them, and Sin-jae experiences childhood flashbacks.
第 9 集 Episode 9
播出时间：2020年5月16日
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.
第 10 集 Episode 10
播出时间：2020年5月17日
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.
第 11 集 Episode 11
播出时间：2020年5月23日
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.
第 12 集 Episode 12
播出时间：2020年5月24日
Frightening circumstances land Tae-eul back in Gon's arms. When Yeong runs into a woman who looks strikingly familiar, he follows her.
第 13 集 Episode 13
播出时间：2020年5月31日
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.
第 14 集 Episode 14
播出时间：2020年6月6日
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.
第 15 集 Episode 15
播出时间：2020年6月7日
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.
第 16 集 Episode 16
播出时间：2020年6月13日
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.
