The Yan Dynasty palace suffered a disaster, and the mysterious spiritual pearl that symbolized the military power of the world fell into the hands of thieves. The princess who lost her memory suddenly transformed into Luo Xiying, the daughter of a border general. He stumbles into the enemy's territory and meets the amorous sixth prince. The cold young man falls in love with the stubborn little girl. The dynasty collapsed, the new emperor ascended the throne, and she became a concubine of Luo by accident; the passionate young man fell in love with his good sister, was sad and avoided favor, and was repeatedly framed in the palace. The unruly concubine and the gentle queen compete for the master of the harem, and the ignorant sisters encounter an adulterous concubine without knowing it. A noble and weak woman turns into a sinister woman, she sees through the intrigues, fights with each other in the palace, and the sisters turn against each other. She is promoted three levels in a row, dominates the harem, and becomes the beloved wife of thousands of people; the infatuated emperor deeply loves the heartless woman, but when they fall in love, they find that the person they love is actually the murderer of their father; the deep sadomasochistic love between three men; the power struggle between brothers to win the world. It is a flower that deserves to be pitied, but it has to make a difficult choice between the hatred of the country and the family and the love of this life; it is the love that deserves to be kept together, but it can only never meet again in the snowy territory of the north.