In the fictional era, the world was divided into the most powerful Luyue Kingdom, and the more powerful Luoding Kingdom, Qixing Kingdom, and Yuanxi Kingdom. The heroine, Lin Poppy, is the daughter of the former assistant prime minister of Luyue Kingdom. Former assistant prime minister Lin Su hated the incompetent late emperor but never found a chance to overthrow his regime. Her last wish was to replace Lin Poppy with her brother Lin Heng (heng). Lin Poppy lost her mother when she was young. After Lin Su's death, she and her brother depended on each other and planned big plans. While the heroine and her brother were looking for opportunities, the hero Wang Yi appeared as an envoy of an enemy country. The heroine disguised herself as a brothel girl and infiltrated the enemy. In the end, will she fall in love or sacrifice love for her family?
Purpose: The heroine sacrifices her love for the sake of the world, and finally returns to her true heart and protects the world