Trapped in a room with only one door and no windows. Their cell phones do not work and no one outside of the building can hear their calls for help. The group of seven people is under siege as the shape shifting creature tries to seep inside. They are picked off one by one until it is obvious that they cannot out wait this predator. A plan is hatched to retrieve the case that the creature came in to see if it holds any clue to control it or destroy it. When they finally do get the case the creature breaks through the room's barriers and they have to run a macabre gauntlet through the building to the outside world.

来自另一空间的嗜血地魔寻找着人类鲜血与自己结合。他们突然出现把牺牲品撕成碎片，将其奉供给丑陋的大魔头，也就是他们的母亲。随着死亡人数的增加，警方已无能为力。犯罪现场摄影师daniel发现了谋杀的秘密，但仅有一人相信他！他跟踪踪迹来到地下变态的世界，在这他遇到了充满性感和邪恶的 elandra ，她将怪物的母亲关在条板箱中，控制者它。 elandra 诱惑daniel进入设下套的聚会，嗜血地魔乘机攻击，所有的聚会参与者进入了一场恐怖的血祭和大屠杀中。

A group of hunters travel to a mysterious island to track down a legendary forest creature. They soon realize their guide has set them up as bait, forcing them to confront a highly intelligent predator that terrorizes them one by one.