One is gentle and intellectual, the other is bold and unrestrained. They were supposed to be twins who grew up together, but by mistake they have different life experiences. One disappeared and the other was taken into the palace to take his place, only to discover a shocking secret from sixteen years ago. One was searching hard just for that sudden glimpse, while the other was forced to marry the man her twin sisters were chasing. The entanglement of love and hatred between family and country is ultimately just the fetters of twins.