In order to dig up exclusive news, young reporter Su Ran went deep into a remote ancient town to explore the mysterious legend of "Returning Soul Night". It is said that the souls of people who died on a certain day will return to the world. Accompanied by local straightforward tour guide Lin Yu, they embarked on an investigative journey. After visiting the old village chief, I learned that a plague killed many villagers many years ago, and the legend of "Returning to the Soul Night" spread from this. As more people who experienced it were interviewed, clues gradually emerged: some people suspected that the plague was not a natural disaster, but man-made, and mysterious strangers appeared in the ancient town before the plague, and their strange behaviors seemed to be inextricably linked to everything. During the investigation, Su Ran and Lin Yu discovered some items that were suspected to be key to the incident, but they also inadvertently fell into danger and encountered various bizarre phenomena, such as strange sounds coming from no one in the middle of the night and vague black shadows passing by. As the investigation deepens, more mysteries follow. Can they break through the fog and uncover the shocking truth behind the legend of "Return to Soul Night"? What challenges and choices will you face in this process?