Jiang Wanli, the orphaned daughter of a once-revered general's household, disguises herself as a timid concubine-born daughter and marries into Prince Liang's household to avenge her father and brothers. But she is unexpectedly swept into a mysterious case in the Eastern Palace. She slays her enemies, restores the realm, and ultimately helps a new emperor ascend the throne, becoming the first regent princess of the Dayin Dynasty.
