Beiyin was wiped out by the Great Yan, and Yao Hannu, a survivor of Beiyin, disguised herself as a man. In the troubled times, she met Qingqiu, Wujiang Gongzi and his entourage. By chance, she learned of her strange identity, and embarked on a journey full of difficulties with Qingqiu. And they, Yaohuan, Qingqiu, Mr. Wuduan, Huaisheng... They intersect in secret and have their own destiny. Where will they go...