There are many immortal sects in the vast land of Jiuzhou, including Qingyun, Tianyan, Youming and other sects. The demonic calamity was sealed a hundred years ago, and good and evil reached a fragile balance. Shen Qingyan practiced in the outer sect of Qingyun Sect, but was involved in the treacherous situation due to the theft of an ancient sword. He met and formed an alliance with Yunque, Han Wenqiu and others. Everyone has their own unknown obsessions. During the trials of the sect, the resurrection of the demon sect, the exploration of the secret realm, the coming of the catastrophe, etc., They feel the ups and downs of family, friendship, love and life and death, and seek their true hearts in the cracks between intrigues and beliefs. The story is multi-threaded, involving clues such as the evil of the Demon Sect, the betrayal of the Immortal Sect, the revival of the ancient clan, and the reincarnation of destiny. When the final disaster comes, everyone stands at the crossroads of fate and pays the price for their beliefs. The ending ends with a battle between good and evil and the self-salvation and rebirth of some people.