Episode 4
Seo-bi shares a critical discovery with Prince Chang, who has a favor to ask of her. Cho Hak-ju visits the queen and demands she tell him the truth.

Cast
Ju Ji-hoonCrown Prince Chang
Ryu Seung-ryongCho Hak-ju
Bae DoonaSeo-bi
Kim Sang-hoMoo-yeong
Kim Sung-kyuYeong-sin
Jun Seok-hoCho Beom-pal
Kim Hye-junQueen Cho
Park Byung-eunMin Chi-rok
Kim Tae-hunLee Kang-yoon
Huh Joon-hoAhn HyeonKingdom on tvt

