Ryu Seung-ryong
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.
Ahn Soo-ji and Lee Jae-joon, who are oblivious to each other’s real profession as secret agents, are in an ill-fated relationship. Three years later, they accidentally meet targeting the same enemy.