As demonic calamities run rampant, the Shen family has guarded the Spring of Ten Thousand Demons for generations. Their heir, Shen Changyan, possesses the Body of Ten Thousand Demons and relies on a red hair ribbon to suppress his demonic nature. Driven by greed, the villagers of Cao Family Village break the formation and tear apart his ribbon, forcing him to unleash his demonic power. While searching for his grandfather, he enters the Demon Suppression Bureau and rescues Qingci, a nine-tailed fox. The bureau chief covets a jade cicada and stirs up a demonic tide. Shen Changyan unseals his divine power to slay demons, only to discover that the mastermind behind everything is the senior brother he once deeply respected.