In the land of Kyushu, the two forces of immortals and demons are intertwined, and the old order is falling apart. Zang Yan, a young casual cultivator, embarks on the path of spiritual practice due to a family tragedy. By chance, he meets Gu Moxiang, a female disciple of the Qingyun Sect, and the two join hands in a world intertwined with intrigue and fantasy. The reclusive master Wugou is trying to cultivate a group of "variables" that can subvert the old world. Mechanic Zhen Yao and the young demon master Han Wuji gradually joined the main line because of their shared secret. With the undercurrent of multiple forces surging, the protagonist group gradually uncovers the deep conspiracy in the history of Kyushu - behind the fall of the ancient gods, there is the "catastrophe of heaven" hidden. Everyone continues to collide and transform in love and hate, power and order, individual desires and the destiny of the ethnic group, and finally find the true way and freedom.
