Five hundred years ago, an earth-shattering war between gods and demons broke out, and the Dream God died heroically to save the demon god... After that, the world was in chaos, evildoers were rampant, and the people were in dire straits. The messenger of the Dream God traveled through time and space to the 21st century in order to find the "legendary magical girl" who could save the world.
The modern girl Ling Shuang met Xiaoyao, the director of the Wulin League from the Ming Dynasty, his fiancée, and Long Hai, the messenger of the God of Dreams, and followed the three of them through time and space to the Ming Dynasty... The dreamy girl successively became a princess of the Ming Dynasty and a princess of the devil world, fighting side by side with her modern brother, her godbrother and sworn brother of the Ming Dynasty, and thousands of demons...