In Yunxiao Continent, heroes compete for the throne, and warriors are respected. Bai Xu, a good-for-nothing boy, inadvertently inherited the noble martial spirit, reached the peak of martial arts, and became an emperor. The emperor calls for wind and rain, subdues wild beasts, conquers heroes, achieves eternal hegemony, and unifies the world. But the Supreme Martial Emperor was extremely lonely in his heart. He wanted to open the space-time tunnel by himself and return to his own blue planet.