The sky split into a vast abyss, and Cang Yu lined up in the sky. A hundred years ago, a mysterious natural disaster tore apart the world, gods fell, and Kyushu fell into chaos. The remaining practicing sects and aristocratic families are fighting openly and secretly with the hidden alien tribes, and the lives of mortals are as small as dust. Young Si Yuanqin went into exile due to the destruction of his clan and joined the Jiuyuan Mirror Sect. Mu Liuyan, the holy girl of Tianwu Valley, lost her father due to the turmoil and guarded her dilapidated home alone. Mo Xulin, who was born in Xuanmen Division, wanders between good and evil, hiding shocking chess games. Pei Mingzhao, a descendant of the Cangyu Emperor clan, was caught in a court storm, triggering a major change that affected all countries. Leng Ruyi and the four of them became friends in troubled times, and their destinies were intertwined. They shuttle between practice, conspiracy, destruction and reshaping. While exploring the truth of the Jiuyuan Ancient Mirror and the Ancient Tribulation, they also explore the boundaries of human nature, faith and survival. When the calamity comes again, what choices will everyone make, and where will the fate of the people in Kyushu go?