When the crown prince is killed, his twin sister assumes the throne while trying to keep her identity and affection for her first love a royal secret.
Lee Hwi
Jung Ji-woon
Lee Hyun
Shin So-eun
Kim Ga-on
Ye Jong
Court Lady Kim
Eunuch Hong
Noh Ha-kyung
Jung Seok-Jo
Lee Hwi's Mother
Han Ki-Jae
Queen
Grand Queen Dowager
Prince Changun
Jung Ji-Un's Mother
Byulgam Gu
Yoon Hyeong-Seol
Shin Yeong-Su
No Hak-Su
Bang Jil-Geum
Bang Yeong-Ji
Lee Hwi (Child) | Dam-I (Child)
Lee Hyun (Child)
Eunuch Hong (Child)
Prince Wonsan
Jung Ji-Un (Teen)