The nations of the Central Plains have fallen into disarray. After two great powers, the Rui'ang Kingdom and the Youliu Kingdom, fought to a standstill, they signed a peace treaty. Yet behind the appearance of peace lies a vast conspiracy...
At the command of the ruler of Youliu, Yu Miaodi sets out for Rui'ang to investigate the enemy. Xi Ruilin is prepared to defend his country's secrets with his life. The two meet by chance, each with their own agenda when it comes to their countries' interests, but as they spend their days and nights together, they fall in love...
Youliu Yun was once a princess of Youliu. Bound by a treaty, she marries Rui'ang Qiansi, the crown prince of Rui'ang, and becomes the empress of the kingdom. She believes the marriage between their nations will bring peace, never realizing it is the first step in a conspiracy. After Youliu is destroyed, cracks begin to form in the relationship between Youliu Yun and Rui'ang Qiansi...
In the end, Yu Miaodi and Youliu Yun cannot let go of their hatred over the fate of their country and family, and set out on a path of revenge...
