S01E04: Episode 4

Gu-cheon and Saeng-gang attempt to seal the pond spirit for good. Still suspicious about the crown princes' deaths, Gu-cheon returns to Saeng-gang.

Season 1

Nam Joo-hyuk
Nam Joo-hyuk
Gu-cheon
Roh Yoon-seo
Roh Yoon-seo
Saeng-gang
Cho Seung-woo
Cho Seung-woo
King
Jang Young-nam
Jang Young-nam
Queen Dowager