In a mythical land called Arth, the inhabitants of the ancient city of Arthdal and its surrounding regions vie for power as they build a new society.
Episodes
Part 1: The Children of Prophecy (1)
Sanung and the Saram propose an alliance with the blue-eyed Neanthal, but when things don’t go as expected, Tagon takes command of the Great Hunt.
Part 1: The Children of Prophecy (2)
The villagers cast suspicion on Eunseom upon learning that he has dreams. Tanya questions her destiny. Tagon greets his men in an unlikely place.
Part 1: The Children of Prophecy (3)
Upon finding Doti, Eunseom devises a plan to rescue the Wahan and is dismayed to learn the significance of Igutu - and what this means for him.
Part 1: The Children of Prophecy (4)
Eunseom and Doti run into a familiar face in Arthdal and make an alarming discovery. Sanung grows suspicious of his son. Tanya stands up for her tribe.
Part 1: The Children of Prophecy (5)
As Tagon’s declaration ripples through Arthdal, Eunseom contemplates the significance of what he saw. Mubaek seeks advice and is given a quest.
Part 1: The Children of Prophecy (6)
Taealha counsels Tagon about the impending meeting with Eunseom. Mihol tries to persuade Asa Ron to expose the truth. Tanya sees a mystifying vision.
Part 2: The Sky Turning Inside Out, Rising Land (1)
After a chance encounter, Tanya starts to grasp the meaning of the dream. Tagon’s plan upsets Taealha. Mubaek learns something astounding about Eunseom.
Part 2: The Sky Turning Inside Out, Rising Land (2)
Saya has chilling words for Taealha. Tagon strengthens his grip over Arthdal. Tanya receives news of Eunseom and wonders what Saya’s dreams might mean.
Part 2: The Sky Turning Inside Out, Rising Land (3)
Tanya proposes an alliance with Saya that proves to be useful for them both, Eunseom refuses to deny who he is, and ominous signs appear in Arthdal.
Part 2: The Sky Turning Inside Out, Rising Land (4)
Tagon visits Tanya and asks about the Wahan. After hearing about Tanya's dreams, Saya decides to tell her his story. Mubaek comes across something odd.
Part 2: The Sky Turning Inside Out, Rising Land (5)
Harim makes a startling confession to Mubaek. Chaeeun goes to see Tanya and tells her the truth about Eunseom. Mihol offers Taealha a way out.
Part 2: The Sky Turning Inside Out, Rising Land (6)
Tagon becomes enraged when he discovers Mihol is behind Tanya’s abduction, and the two later meet to discuss her fate. Eunseom orchestrates an escape.
Part 3: Arth, The Prelude to All Legends (1)
Tanya becomes overwhelmed by Arthdal’s reception of her new role, and demands that Taealha and Tagon keep their end of the bargain.
Part 3: Arth, The Prelude to All Legends (2)
Mihol informs Tagon about the finer points of being a king. Saya’s appearance bewilders the Wahan. Eunseom receives help from the Neanthal.
Part 3: Arth, The Prelude to All Legends (3)
Surviving in Arthdal means knowing how to choose the side that holds power. Taealha is attacked, and Tagon silences those who’ve uncovered his secret.
Part 3: Arth, The Prelude to All Legends (4)
Tanya tries to uphold the ways of the Wahan but is dismayed to find that they have changed. Tagon’s guards make a gruesome discovery.
Part 3: Arth, The Prelude to All Legends (5)
Eunseom wrestles with a proposition and ponders how he’ll find Tanya. Saya plots a strategy for Tagon to be king. Mihol gives Taealha a stern warning.
Part 3: Arth, The Prelude to All Legends (6)
Tanya receives word of the Wahan and meets someone who’s seen Eunseom. Saya grows increasingly leery of those around him. Tagon gets what he wants.
Top Cast
Lee Joon-gi
Eunseom / Saya
Shin Se-kyung
Tanya
Jang Dong-gun
Tagon
Kim Ok-bin
Taealha
임진웅
Hae Kkadak
Shin Seo-Woo
Arok [Tagon's son]
Song Jae-ryong
Gum Bool
Hyeon Jin
Chosai
