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.

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.

Eunseom wrestles with a proposition and ponders how he'll find Tanya. Saya plots a strategy for Tagon to be king. Mi Hol gives Taealha a stern warning.