Jin Yifei, the director of the Space-Time Research Institute, has the ability to travel through time and space. By chance, the heroine travels to the Xihuang Continent, a continent similar to the ancient Chinese dynasty. There are seven countries on the continent, the largest of which is Xiya, followed by Jintian, Mumang, Shouzhen, Haiyu, Fuli, and Bingyi. The seven countries have been friends for generations, until rumors spread that the Feather of the Emperor and the Phoenix appeared, and whoever got it could unify the Western Emperor, so the countries began to fight openly and secretly. Who can stand out under the glare of swords and shadows? Who can join hands in the coolness and snow?