During the Joseon Dynasty, lowborn Chae-sun challenges the rule that states only men allowed to sing while navigating devotion to her teacher and the demands of the king's father.
류승룡
as Shin Jae-hyo
수지
as Jin Chae-sun
김남길
as Heungseon Daewongun
Noh Young-hak
as King Gojong
송새벽
as Kim Se-jong
이동휘
as Chil-seong
안재홍
as Yong-bok
Hwang Chae-won
as Young Jin Chae-sun
김태훈
as Government Official
진선규
as Government Official
김소진
as Jin Chae-sun's Mother
Kim Byeong-soon
as