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.

Tanya proposes an alliance with saya that proves to be useful for them both, Eun Sum refuses to deny who he is, and ominous signs appear in Arthdal.

Tagon visits Tanya and asks about the Wahan. After hearing about Tanya's dreams, Saya decides to tell her his story. Moo Baek comes across something odd.