Supernatural incidents occur frequently in the city, and Lin Xiaoxiao joins a supernatural agency by mistake. Under the leadership of Qin Yexing and others, she used humor and bizarre methods to solve various ghost harassment cases, from ghosts looking for cats, investigating urban legends, to rampant evil spirits and mysterious organization conspiracies. The entire team has its own personality, is both funny and united. Under the guidance of Uncle Netherworld's mission, they continue to grow, gradually uncover the truth behind the supernatural events, and deal with the biggest crisis - the collapse of the boundary between the spiritual world and the real world. In the end, the protagonists use their unique humor and optimism to end the urban supernatural crisis and gain growth and friendship. The whole book has ups and downs, a tight rhythm, and a simple, clear and interlocking plot.