刚毕业的精神病学家大卫将对年轻的玛达莱纳发表意见，她因谋杀猎人而受审。她声称自己是个女巫，代表魔鬼行事。

A primal and sensual dance is performed by a burlesque artist on stage to the delight of a blood thirsty audience, who watch in awe as she makes a splash to cure her ills.

A spate of killings of teenagers by a maniac dressed like a hippie causes a detective to check the records for similar killings. He discovers that every five years, in the fifth month of the year, for five consecutive days, the same type of killings have occurred, and the few descriptions of the suspect always match: he's dressed like a hippie. As the detective searches for the killer, he begins to have suspicions about his superior, an older man who is haunted by memories of his military service in Vietnam.

开场是一位疯狂的老妇人从三座戴着红帽子的雕像手中偷走了一块看似黄油酥饼的物体。此举引发了一场地震，导致一个山洞中封存已久的远古恶魔孢子被释放，落入附近的一处水潭。不幸的是，一位女同性恋教授——她正和一群师生在森林中露营数日——恰好选择这处水潭为自己水壶重新灌水。她意外饮入了这些孢子，体内随即长出巨大、扭动、布满血管且覆盖黏液的触手。这些触手不断寻找新的猎物，并钻入最近的身体孔道，使恶魔得以在宿主之间不断转移。

14世纪的黑暗时代，被判定为女巫的伊莎贝拉死在火刑架上。丈夫杰克甘愿成为吸血鬼猎杀处女，企图以处女之心和眼复活妻子。时间已至现代，杰克利用继女订婚宴的机会回到古堡，筹备着25日月圆之夜的复活计划。命运的安排下，当初火刑场上的那些故人也纷纷重回现于现代，跨越数百年的冤仇与情恨在这个古堡里重合……

19 岁的杰西卡离开瑞典的小镇生活前往洛杉矶，目标是成为世界下一个大色情明星，但通往目标的道路却比她想象的更加坎坷。