跨足全球的VALA企業透過威脅利誘勾結腐敗貪婪的政府單位，成功在市面上釋出一種未經測試的疫苗「Nh25」。為了維持家計的傑卡拉摩（克里斯多福古莫瑞斯 飾）原本為邪惡的VALA企業賣命，卻因緣際會成為背負使命決心復仇的「闇夜殺神」，誓言終結草菅人命的斂財疫苗繼續散播，引來VALA召集一群唯利是圖的傭兵死命追殺…究竟一心被仇恨蒙蔽的「闇夜殺神」能否堅守正義？超級英雄拯救世界是否是唯一的結局？

影片讲述了面对全世界恶名昭彰的恐怖组织SK的袭击威胁，公安特警精英“血狼突击队”临危受命，雷霆出击，与罪犯展开了精彩而惨烈的战斗，并最终粉碎了反派的重重阴谋，以血与铁的忠诚保卫了祖国和人民的安宁，展现了公安特警誓死卫国的英雄本色。

It's 1933 and prohibition has proven very profitable for corrupt cops like Jack Malone. He collects 'luxury tax' from every bootlegger and scofflaw in town. Shaking down the newly opened speakeasy should've been simple, but instead, Jack and his men uncover a clan of vampires hell bent on taking over the town.