This is an era where the path to immortality has been cut short. The legendary cultivators who flew into the sky and escaped from the earth, moved mountains and reclaimed seas, have long since disappeared, leaving only countless strange relics called "immortal skeletons" in the mortal world. These relics are either a broken sword that will never rust, or a star map that no one can decipher. They contain no spiritual power, but contain laws and dangers that mortals cannot understand.
Su Wan is a "Heritage Envoy". Her duty is to walk among the ruins of mountains and rivers to find and contain these lost "immortal remains" to prevent them from harming the world. Her father, once the most legendary relic messenger in the industry, mysteriously disappeared ten years ago while pursuing clues to the "Road to Heaven".
In order to track down his father's whereabouts, Su Wan embarked on a journey full of mysteries. She relied on her family knowledge and careful mind to interpret the immortal ruins everywhere. However, as the investigation deepens, she gradually discovers a shocking secret: the immortal's ascension may be just a lie, and the severance of the immortal path is not a natural end, but more like a carefully planned "isolation". Those "immortal skeletons" that are regarded as miracles point to a truth that is far more grand and terrifying than myths. Mortals are not the starting point of immortality, but the "relics" of immortality.
