Yang Yiru, a technician at a blind massage parlor in the capital city, had to give up his job and return to the countryside to take care of his father because of his sudden illness. He was injured in a quarrel with his brother and sister-in-law, and unexpectedly obtained the Qimen Miracle Medical System, which cured his father's cardiovascular disease and his mother's rheumatic bone disease.
In an encounter, he accepted the "Qi Men Dun Jia" passed down by the hero Zhao Yun, and promised Zhao Yun to eliminate all harmful pests. From then on, he activated all the systems of "Qi Men Dun Jia" that Zhao Yun had not had time to activate, and joined Teem999, a team that slays demons, and started an extraordinary life with ups and downs...
