At the end of the Yin and Shang dynasties, Yasha, the general of the East China Sea, conspired to usurp power, trying to assassinate the daughter of the Dragon King to achieve his goal of ruling the East China Sea. Unexpectedly, Nezha, the son of Li Jing, Chentangguan's chief soldier, accidentally stumbled upon his conspiracy. To hide from people's eyes and ears, Yasha blamed Nezha for the crime of murdering the dragon child, making her a public enemy of the dragon family.