Lin Xiaoai's death was sudden, and Wandering Soul's illness was also sudden. After hanging on a thread, Lin Xiaoai became the guardian spirit of the wandering soul, and the wandering soul had the ability to see other people's guardian spirits and became the guardian spirit doctor in the town.
Wandering Soul wants to send Lin Xiaoai away, but twenty years have passed and he has not succeeded. A series of recent cases of guardian spirits materializing have forced Wandering Soul to re-investigate the cause of Lin Xiaoai's death twenty years ago and face the relationship between people and guardian spirits.
Purpose: Facing the problem squarely is the first step to solving it