Chu Xiu, the eldest daughter of a family of generals, is the only empress of the Yun Kingdom and has given birth to two princesses. Everyone thinks she and the emperor are a loving couple and that all is peaceful in the palace.
However, Chu Xiu's father and two younger brothers were murdered, leaving the Chu family without a man to protect them and making them easy targets;
Gao Yun may be the supreme ruler, but her military power is weak and her influence limited;
Jiang Yang, the Dowager Consort Jiang, and the other sisters are confined within the palace walls, bored out of their minds;
the princes and princesses spend every day plotting to seize the throne.
Revenge, a struggle for power, and fighting their way out of the harem.
Chu Xiu creates a ruckus with everyone and rewrites the rules of the harem.
Highly satisfied, she says to Gao Yun, "Your Majesty, it's ready to put into practice."
Holding their two children, Gao Yun looks pitifully at her. "After you put it into practice, will you still stay?"