The book "Belief in Gods in the World" tells the story of delivery boy A Ming's fantasy adventure and emotional redemption. A Ming experienced difficulties in delivering food during heavy rain, but unexpectedly learned that his beloved Xiaowen had passed away, and he embarked on the journey back to his hometown in grief. On the way, he met Old Li from Taibaijinxing who was demoted to the mortal world, and was involved in the dispute of faith between the old gods of the human world and Buddhism: Xiaowen was originally of the unawakened bloodline of the Qingqiu Fox Clan, and was seduced to death by the stand-in god created by Buddhism. Only a trace of her soul was left, protected by Qingqiu's safety buckle.
In order to reunite Xiaowen's soul and allow her to reincarnate, A Ming took the safety buckle and together with Taibai Jinxing Lao Li and Qingqiu Fox Xiaohu, they fought against the Yin soldiers, liquidated the heavenly soldier Zhao Xuan who had taken refuge in Buddhism, and searched for the afterlife record to gather Xiaowen's soul. After the failure of gathering souls, he received guidance and traveled from Luoyang to Guangzhou, Chongqing, and Shenzhen. Along the way, he met Zhong Kui, the Dragon Prince, Yuelao, the Kitchen God, Tu Tu, etc. To help him uncover the truth of the Buddhist conspiracy. The story interweaves the hardships of mortals with the fantasy of immortality. It takes the search for Xiaowen's soul, the old gods and the disputes over Buddhist beliefs as the main thread. It connects three hundred years of protection and agreement in the adventure, and ultimately points to the perfection of love and redemption.