Seulgi is a former gisaeng, tasked with playing her gayageum to help soothe the fierce Dragon Lord of the East Sea who suffers from nightmares that prevent her from falling asleep.

“The Princess of Mount Baekdu’s ice and snow melts at the sight of the White Tiger from Silla.” OR; Princess Joohyun from Koguryeo is a political prisoner in Silla following the fall of Pyeongyang at the hands of the Tang. Captain Moon Byulyi proves to be an unlikely ally in more ways than one to secure a future for herself and her kingdom.