In Piaoling Pond thousands of years ago, Evil King Zixi planted a water lily with his own hands and named her Xihan. Five hundred years later, the water lily woke up, but the evil king Zixi was imprisoned by God. In order to rescue the evil king Zixi, Xihan transformed into God's favorite peony and approached him to rescue the evil king Zixi. Although the evil king Zixi was rescued, Xihan was captured by God's desperate personal messenger Bo Liangyi. At this time, the God of Heaven had fallen in love with Xihan. In order to catch the evil king Zixi again, he took Xihan and Liangyi down to earth to find the evil king Zixi who had no memory and defeated him. In this way, a love between immortals and demons begins...