A group of teenagers must somehow survive the night when they find themselves trapped within a pentagram. To stay inside the candlelit confines means safety; to escape means certain death at the hands of a mysterious entity.

　　一对夫妇在他们的新房子里发现了Kirlian的摄影设备。他们被拍摄人们光环的概念所吸引，无意中释放了一种古老的邪恶。只有当地的通灵师能帮忙，她知道的远比她透露的多。

在一个宁静的乡间农舍里，英国的吸血鬼们聚集在一起，举行五十年一次的聚会。其他人也将加入他们的行列：塞巴斯蒂安-克罗克特（Sebastian Crockett），一个不知情的埃塞克斯男孩，自以为与性感美洲狮凡妮莎（Vanessa）有约；还有一支特种部队吸血鬼杀手分队，他们已经咬得太多了。这肯定会是一个难忘的夜晚......而对其中一些人来说，这将是他们最后的夜晚。

Special ops interrogation officer Jimmy Vickers tracks down a gang who slaughtered his parents while at the same time avoiding being tracked down by his old unit and the cops. With police closing in and his old unit on his trail, he has to evade capture long enough to complete his gruesome crusade.