In an alternate-reality South Korea, where a constitutional monarchical system prevails, Oh Sunny, a musical actress, becomes the empress of the country. Thus begins a dispute for power in the royal palace. Nothing is what it seems, and Oh Sunny is ready to fight until the end to uncover a mysterious homicide within the royal palace, fighting to protect those she loves the most and obtain happiness.
Jang Na-ra
Choi Jin-hyuk
Shin Sung-rok
Lee Elijah
Shin Eun-kyung
Oh Seung-yun
Oh Ah-Rin
Park Won-sook
Lee Hee-jin
Shin Go-eun
Yoon Da-hoon
Stephanie Lee
Hwang Young-hee
Ko Se-won
Tae Hang-ho
Kim Dong-Kyu