Lin Tuan-tuan accidentally came to the Town Demon Bureau and found that the cubs regarded as dangerous demon beasts were actually all asking for help. She can understand the voices of the little beasts, and thereby got acquainted with the cold-faced catcher Shen Yan-qiu. Everyone tends to injured little beasts and looks for their relatives together, and the originally cold Town Demon Bureau gradually turns into a warm nursery. As clues of missing little beasts emerge, Tuan-tuan and her partners embark on a rescue path, and also find their truly belonging home in each other's company.