The demon saint Ye Liuli led her people to hide from the world for a hundred years, but was forced to go to war due to the siege of the fairy world, and fought against the prince of the fairy world, Ling Yue. Ling Yue discovered that although she was a demon, she never killed indiscriminately and secretly rescued mortals in war. The two secretly fell in love during several confrontations, but they had to face the thousand-year grudge between immortals and demons and the villain behind them.
