Empress Cheonchu

A.D. 993, So Son Nyung invades Goryeo with his army. Hwang Bo Su marches to the Yalu river.

Hwang Bo Su meets Kang Kam Chan and she knows a raw deal of Balhae's people.

King Gyeongjong sees his mother from Hwang Bo Su and he loses his mind.

Hwang Tae Hu knows a daughter of Kim Won Seung will be the new empress and heads to Kae-Kyung.

Hwang Bo Su and Hwang Bo Seul are imprisoned in their place, but Bo Su collapses.

As soon as Hwang Bo Su has a baby, King Gyeongjong is trying to be a good emperor.