It tells the story of Gu Changfeng, a son of a declining immortal cultivating family, who embarks on the path of cultivating immortals after his family encounters an accident. After going through many hardships, he eventually grows into a strong man. In the process of practice, he met Su Wanqing, a reclusive immortal saint. The two fell in love with each other and worked together to face crises together. At the same time, Gu Changfeng also had complicated emotional entanglements with the demon princess Liu Ruyan, the genius monk Murong Yun and others. In the end, Gu Changfeng shouldered the heavy responsibility of protecting the common people and launched a life-and-death struggle with the demon monk Lu Qingshan to maintain world peace and tranquility.