Duanmu Ling, the last surviving member of the Dragon Sect, embarks on a journey to find the legendary Qingluan mirror and Lican sword, powerful heirlooms that could reunite the country. Disguised as the niece of a high official, she crosses paths with Prince Gao Changgong and Yuwen Yong, both of whom she grows close to, forcing her to choose between love and loyalty.