The film is the beginning of the entire story of Battle Through the Heavens; Xiao Yan, a talented young cultivator, to restore his Dou Qi and regain his dignity, with the guidance of "Yao Lao", leaves Wu Tan City alone and steps into the treacherous and dangerous Magical Beast Mountain Range, the beginning of the trial journey of searching for the Heavenly Flames to improve his cultivation.

The story depicts the coexistence of two spiritual clans in the world, plagued by long-standing conflicts and grievances, engaging in mutual harm and hostility. During his return journey from seeking knowledge, scholar Chen Caining encounters the female spirit Qing Nv. As they spend time together, a budding affection develops between them. Brave enough to take a step of trust, they join hands to confront the entire spiritual clan, unafraid of life and death, unfolding a heart-stirring tale of inter-clan love.

After Xiao Yan and Yao Lao broke the battle between the Snake Human Clan and the Human Clan, they traveled with Qing Lin and Mu Li to enhance their strength. They won a three-year agreement with Nalan Yanran, the big disciple of the Yunlan Sect. When they arrived at the Tagore Desert, Qing Lin was unexpectedly abducted. In order to find Qing Lin, Xiao Yan and the others met the once-famous Ice Emperor Haibodong and then traveled to the Red Salt City. In the chaotic city, a black hand slowly revealed its true identity, intending to capture them all. Through Xiao Yan's persistent efforts, the truth about his mother's death during his childhood was gradually revealed.

After preventing a war between the Snake Tribe and the Human Clan, Xiao Yan embarks on a journey to strengthen his powers with his companions. Along the way, he prepares for a crucial duel with a powerful rival, but their quest takes a dark turn when Qinglin is suddenly abducted in the Tagore Desert.