Series cast
Park Eun-bin
Rowoon
Nam Yoon-su
Bae Yoon-kyung
Choi Byung-chan
Lee Pil-mo
Baek Hyun-joo
Go Gyu-pil
Jung Chae-yeon
Bae Soo-binDescription
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.