Xing (An Zhijie) is bloodthirsty, cruel and ruthless by nature. One day, he, who has coveted the throne for a long time, finally kills the emperor. Not only that, he also tries to kill Princess Lian (played by Liu Yifei) and her brother Zhao (played by Su Jiahang). In desperation, the unarmed Lian embarked on a journey of escape with her younger brother.