The King: Eternal Monarch

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.

Though Tae-eul finds Gons story difficult to believe, some things about him are completely inexplicable. At work, she gets busy with a murder case.

Being introduced to Gons world is a lot to process for Tae-eul, whos taken to the palace. A disgruntled Jo Yeong keeps an eye on her.

Gon brings Yeong along on his trip back to Tae-eul. He has a favor to ask of her, while shes found something troubling to share with him.

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.

A compelling offer finds its way to Luna. Gons investigation into a devastating murder leads him to an old traitor and a clearer idea of Lims schemes.

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.

Lim plots his next meeting with Gon. Understanding theres only one thing he can do to right wrongs, Gon comes to a heart-wrenching decision.