In de stad Suzhou nam de demon de heerschappij over, de magiër beschermde de mensen en verzette zich tegen de demonenclan, maar van de ene op de andere dag, toen de ongeïdentificeerde millenniumgroene slang tevoorschijn kwam, stierven de monsters op mysterieuze wijze en raakten ook de mensen in paniek. De nieuwe magiër Fan Hai schoot de demon neer, maar ontdekte onverwachts de geheimen van de monsters die de millenniumslangdemon omsingelden. Een tijdlang woedde de wind in de stad Suzhou en kwam de angstaanjagende samenzwering, verborgen achter 'vrede', naar boven.

In the city of Suzhou, the demon seized the rule, the mage protected the people, and opposed the demon clan, but overnight, with the unidentified millennium green snake emerged, the monsters died mysteriously, and humans were also panic-stricken. The new mage Fan Hai shot down the demon, but unexpectedly discovered the secrets of the monsters encircling the millennium snake demon. For a time, the wind of Suzhou City was surging, and the terrifying conspiracy hidden behind "peace" surfaced.

소주성에 요괴들이 활개를 쳐 피해가 늘어나자 법사들은 천하의 요괴를 모조리 없애겠다는 사명감으로 요괴를 해치우며 백성들을 지킨다. 그러던 어느 날, 뱀 요괴 청년 죽엽청이 요왕의 자리를 노린다. 이 과정에서 법사 번해는 요괴와 결탁한 천익각 각주의 덫에 걸려 법력을 잃게 되자, 다시 법사의 신분을 되찾기 위해 요괴인 죽엽청과 협력한다. 요괴를 전부 죽여야만 하는 법사의 운명과 살아남으려는 요괴의 운명은 어떤 결과를 가져오게 될 것인가...

苏州城内万妖割据，法师保护百姓，与妖族对立，然一夜之间，随着不明身份的千年青蛇突现，众妖神秘死亡，人类也惶惶不可终日。新晋法师樊海出手降妖，却意外发现了众妖围剿千年蛇妖的秘密。一时间，苏州城风起云涌，暗藏在“和平”背后的惊天阴谋浮出水面……