The divine world maintains the balance of heaven, the immortal world strives for immortality, the human world hides mysteries, the demon world awakens its bloodline, the demon world devours all souls, and the underworld controls the book of reincarnation. All walks of life are connected through the nine heavenly steps, and they only meet each other every hundred years when the heavenly gate opens and closes.
During the ancient war between gods and demons, the four holy spirits established themselves in the Taixu Cauldron to protect the Three Realms. Thousands of years later, the seal was loosened, triggering a competition among the six realms for the power of the Holy Spirit. In the process of awakening their memories, Qingluan Yuezhao and Qinglong Fengqi discovered that there was another hidden story behind the war that year.