Three hundred years ago, she went down the mountain and brought back Biran and Wuxin. Three hundred years later, the three of them returned to the world. Romantic young masters, gentle young masters, dear princes... All kinds of people appeared around them. Returning to the palace and facing the difficulties of life in the harem, she chose to become a "chess player" who controls others. Her friends were assassinated one after another, but she could remain calm. But this does not mean that she is weak and can be bullied. She will eradicate everyone who hurts her one by one...