The white-haired sword spirit awakened in the wind dragon ruins and opened its red eyes, shattering Mondstadt's thousand-year peace. As the seven-foot green blade left behind during the Demon God War, Renhua woke up with the memory of cutting off the stars, only to find that he had become the most dangerous person on the alert list of the Knights of the West Wind. When the rotting poison of the Abyss Order seeped into the blood of the Wind Demon Dragon, and when the ancient whispers of Kanreia came from the ground of Dawn Winery, the sword demon god who was forced to make a contract with travelers had to find a way out between the seal of the idol and the erosion of the abyss.