A pathologist, Dr. Warren Chapin (played by Vincent Price), discovers that the tingling of the spine in states of extreme fear is due to the growth of a tingler—a spinal parasite which can kill the host unless it is destroyed by screaming.
生物科学家汤姆·霍兰德（本·克鲁斯 Ben Cross 饰）的侄女米兰达（海伦娜·麦特森 Helena Mattsson 饰）体态曼妙，性感迷人，且天资聪慧，堪称完美。然而谁都不曾想到，她竟是汤姆利用外星人和人类基因混合制造出来的新型人类。汤姆自感实验的不道德性，因此带着米兰达逃离实验室，并伪造了她的身世。 随着米兰达日渐成熟，她体内隐藏的外星人基因也渐渐苏醒，几乎到了汤姆所能控制的极限。她嗜杀的本性开始爆发，不断有无辜人类遭到杀害。为了彻底改变米兰达体内的基因构造，汤姆带着她驱车前往墨西哥寻找当年的实验伙伴福布斯（Dominic Keating 饰）。但是，一切似乎为时已晚……
This film marks the directorial debut of Robert Benayoun. An artist (Richard Leduc) attending a party smokes some dope and develops the ability to see into the future and the past. He returns to his apartment where he sees the vision of a woman who had lived there 30 years ago. A friend tries to convince him it is his heightened sensitively as an artist that allows for the newfound abilities, but he soon has psychedelic hallucinations and his abilities increase with time. Stop-motion photography is effectively used in his sequence of visual experiences where the people exist but not the city in this metaphysical story.
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