Years have passed since the assassination of Yan’s family. Even after being left alone and broke, she remains courageous and determined to seek an act of long-awaited revenge. For her to survive in the capital of Daiyu, where women would be taken as slaves and concubines, she must pose as a man. Later did she know that hiding her identity soon led her to befriend a handsome guard and join the royal army. Will Yan be able to keep her secret for long?