Freshman Su Xuan, in order to find clues about his brother's disappearance, came to study in the biology department of W University where he used to study. However, he had an accident in the wild and traveled to Huashanji, a mysterious area that transcends space and time. Su Xuan was rescued by Su Ni, a woman who had lived in seclusion for many years, and gradually discovered Su Ni's unknown secret. In order to repay Suni's life-saving grace, Su Xuan was entrusted by Suni. Accompanied by Ziheng, he traveled through various spaces to collect reincarnated souls for her, and experienced one touching story after another. The fateful entanglement among Su Xuan, Su Ni and Zi Heng has become unclear...