In the Gobi Desert in the north, bones are buried in solitary graves. Su Heng, an ordinary young man, because of his master Xuan Wei's last words, "The world of immortality exists outside the world", took the ancient star pivot token, walked through the yellow sand, and went to Nanzhan Buzhou to search for immortals.
After nearly dying, he finally arrived at Qingyun Holy Land, but was despised by the disciples of the Immortal Sect. Fortunately, the green light of the token suddenly appeared, alerting Master Qing Yan, and he was able to worship at the mountain gate and gain a glimpse of the path to immortality. As everyone knows, the Xingshu Token is not only the key to the secret realm, but also the fateful link between the human world and the immortal world. In ancient times, the world changed and the two realms were isolated. Countless immortal cultivators died in the secret realm in order to seek immortality. Behind the token, there are hidden pasts and regrets that Master Xuanwei has never said.
Immortals and mortals have different paths, and the road to immortality is full of thorns. Sect disputes, treacherous secret realms, and ancient secrets follow one after another. Su Heng not only wants to practice immortal magic and break through the realm, but also unravel the mystery of the token and explore the truth about immortality. Why is he obsessed with immortality? Is it to make up for Master's regrets, or to break free from the shackles of life and death? When the truth gradually emerged, he discovered that the so-called immortality was never the end, but an eternal catastrophe related to obsession and choice...