Lin Yan, an ordinary young man, accidentally discovers a bronze fragment covered in ancient patterns. The fragment turns out to contain a map of Xuanzhou, an ancient secret realm. From then on, he is drawn into a fateful conflict spanning thousands of years. Within the secret realm lie rare treasures, strange demonic beasts, and secrets concerning the very origins of the world. Guided by the map, Lin Yan, his companion Su Qing, and his archenemy Mo Chen venture deeper into the realm, breaking through their own cultivation bottlenecks while uncovering the grudges left behind by their predecessors. At the heart of the secret realm, Lin Yan ultimately faces a decisive choice and preserves the balance between the real world and the secret realm.