A few years after the all-powerful warriors of Iron Time and Space successfully drove back the Flamebringer, the Demon Lord Diabolo, the king of the demon world, led a group of demons and began to invade the four major time and space of gold, silver, copper and iron. The leaders of Iron Time and Space, Moxibustion Wu and Beicheng Guard, disappeared. Jin Time and Space gained temporary peace and tranquility after successfully repelling Yehenarasti. Dongcheng Guard's cultivation reached Jin Time and Space and asked Wang Dadong to come to Iron Time and Space to save the injured Xia Tian.