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.
as Oh Ssu-Ni
as Na Wang-shik
as Lee Hyuk
as Min Yoo-ra
as Empress Dowager Kang
as Yi-Yoon
as A-Ri
as Grand Empress Dowager Jo
as Princess Soo-jin
as Queen So-Heon
as Oh Geum-Mo
as Oh Hel-Ro
as Baek Do-Hee
as Prime Minister
as Na Wang-Sik (ep.1-4)
as Hwanghooui Poomkyeok
