Under the peaceful heaven, undercurrents surge. Sun Wukong and Nezha, the two most powerful gods of war in the heaven, accidentally discovered that the heaven was being eroded by a mysterious evil spirit. From the destruction of the Dragon Palace in the East China Sea to the sudden change of the Jade Emperor, from the closure of the Lingxiao Palace to the fall of the generals, a shocking conspiracy gradually emerged. When the cracks in the demon world tear open the heaven, and former comrades become enemies, Sun Wukong and Nezha must work together to uncover the truth and save the heaven from danger. However, how will they choose when faced with the demonized master Tang Seng and their former colleagues? An epic battle concerning the life and death of the heaven begins...