A top student in the modern history department accidentally traveled through time and became an unpopular princess of the Yin Dynasty. Faced with the undercurrents in the court and the strife among the royal family, she relied on her knowledge from her previous life to rectify the government and open up sea trade. From a boudoir girl who was looked down upon by others, to wielding a sword to crush the traps of power and conspiracy, she finally ascended the throne as a daughter, writing the legend of the empress through the ages.