Jiang Xiaomeng founded a small company called "Supernatural Firm", which specializes in taking over all kinds of supernatural commissions in the city. She takes her friend Su Jingcheng, intern Xu Youyou, and the talking black cat Tuantuan, and they are repeatedly involved in strange and strange cases, with big and small incidents happening all the time. They gradually uncover the ghost legends of the old house in the small town, explore the strange supernatural mischief, and become roommates with the most naughty ghosts. Each volume is independent but interconnected, and the main line leads to the mysterious mystery of the entire city. In the end, everyone worked together to uncover the "ultimate ghost case" that had been hidden for many years, each gained growth and new bonds, and started a new life that was ordinary yet incredible.