This drama tells the story of an investigation agency called the “Domain exception resolution room” that solves the “Unsolvable Abnormalities” that cannot be clarified using modern events around them and the most cutting-edge scientific investigations.The object of handling the incident is “ all fields ”, “ Shen Yin ” “ Shadow Man ” “ Fox Possession ” “ Paranormal ” etc., challenging “ Abnormalities ” that cannot be thought of using the common sense of modern science.