The story takes place in the Western Wei Dynasty of the Northern Dynasties during the era of great division. In troubled times, life is worthless, wars are continuous, and lives are charcoaled. Even the name cannot be saved, let alone the dignity of being a human being. The slave girl Chu Qiao (played by Zhao Liying) was sent to the hunting ground along with other girls and became a plaything for the nobles to shoot and kill for fun. In a critical moment, she was secretly rescued by Yan Xun (played by Dou Xiao) and Yu Wen Yue (played by Lin Gengxin), the prince of Xiliang, and eventually entered the Yu Wen Mansion. The painful experience planted the seeds of hatred in Chu Qiao's heart, and she vowed that one day she would avenge the blood feud imposed on her and her relatives by fate. In the days that followed, the enlightened Yu Wen Yue consciously trained Chu Qiao for espionage, and gradually fell in love with this strong girl in the process. With the turmoil in the political situation in the Western Wei Dynasty, Chu Qiao fled back to Xiliang with Yan Xun. But at this time, Yan Xun's ambition began to expand, and he and Chu Qiao, who once knew each other, went further and further...