Meng Qiwu, an engineering graduate, traveled through time and became the heir apparent of the British Crown Prince of the Wei Dynasty, who disguised himself as a man. In order to protect her identity from being exposed and avoid the whole family being convicted, she relied on her modern engineering knowledge to rectify salt affairs, develop mining, and innovate infrastructure and armaments. With the support of Emperor Qin Di, she advanced step by step, and finally quelled internal troubles, repelled foreign enemies, became a marquis and prime minister as a woman, and pushed the Wei Dynasty towards stability and prosperity.
