As a famous and clever doctor in the precarious Zhou Dynasty,
Qiu Xiluo met two lords and was involved in endless bloodshed.
Yan Lang, a gentle and powerful marquis,
although never stopped fighting for his kingdom, was willing to die for protecting her. Song Si-ren, a handsome and unrestrained young master of Han Kingdom with great aspiration, went through all the hardships and dangers. When they fought against each other and had to choose between love and power, who could be her knight?