Shen Zhao, the only bloodline of the Jing imperial family in the former dynasty (she disguised herself as a man and served as the Minister of Rites) had been dormant for twenty years in order to restore the country. He was in charge of the underground organization "Seven Stars" and dealt with the tyrant, prince and powerful ministers in the power whirlpool of the Liang Dynasty. When she is forced to form an alliance with Xiao Xun, the seventh prince whose life experience is also a mystery, the two gradually reveal the truth about the palace incident while using each other and relying on each other for life and death - it turns out that their fate was locked by the same conspiracy twenty years ago.