A drama set in the Goguryo period. It is about how Moo Young, the daughter of King Young Ryu, falls in love with Yeon Choong, the son of Yeon Gaesomun had with a concubine. But Moo Young debates whether she should have her revenge, as Yeon Gaesomun is the man who killed her father. Meanwhile, Yeon Choong as the son of a noble blood father and a servant mother, despite his talent, he finds he cannot rise higher in rank due to the fact that he is a concubine′s son. He is later ordered by his father to kill the person he loves, and comes into inner conflict.
as Princess So-hee/Moo-young
as Yeon Choong
as Yeon Gaesomun
as King Yeongnyu
as Bojang of Goguryeo
as Yeon Namsaeng
as Mo-seol
as Nang-ga
as Jang-po
as Crown Prince Hwangwon
as Tae-pyung
as So Sa-beon
as Chi-woon
as Kil-Boo
as Boo-chi
as Yeon Choong (young)
as Si Woo
as Cho-hee
