Lin Xiao accidentally entered a supernatural office and formed a "Little Ghost Office" detective team with a group of partners with different personalities to take on various strange tasks: haunted schools, old houses with ghosts, mysterious disappearances... Events often take twists and turns, ghosts and ghosts are both scary and weird, and the process is full of jokes. Every time a case is solved, team members also make up for their inner shortcomings through growth and understanding of each other. As the case escalates, everyone discovers that there is a big conspiracy involving humans and the spiritual world hidden behind it. In the end, the team solved the crisis with wisdom and unity. Even if fear still exists, humor can always warm people's hearts.