In the distant "Eternal Night Frontier", the sun has long since fallen, and the earth has been shrouded in eternal twilight and weak moonlight all year round. Ancient monsters and mutated creatures are rampant, and only fortress towns scattered around the human civilization are left, struggling to survive in despair. When a bizarre epidemic spreads quietly, infected people mutate into half-human, half-demon monsters, and all clues point to taboo "living experiments" and ancient cult organizations. Xiao Li, an Eastern demon hunter whose life experience remains a mystery, was hired to step into this dark place. How will he reveal the shocking conspiracy to create the "perfect devil" in the wilderness where monsters are rampant and the dangers of human nature, and bring a glimmer of hope to the eternal night?
