He Dazhi, an idler in the soul town who recently graduated, temporarily became a ghost agent due to an accident, and was involved in all kinds of bizarre, ridiculous ghost hunting incidents in the world. He teamed up with his quirky female partner Li Lingling and the seasoned and humorous Uncle Zhang to step into traps and fight monsters, solve crimes and make jokes. They resolve "petitions" from various ghosts and supernatural disputes, and gradually uncover the secrets hidden behind the town and the lost emotions between humans and ghosts. In the end, He Dazhi faced the choice of fate: stay in the supernatural world or return to ordinary life... All the answers lie on that night when the moon is dark and the wind is high. The story finally turns to warmth, and all the strangeness and fear turn into opportunities for growth.