Michael's health club is beseiged with a series of terrible murders involving killer saunas and other grisly devices. Michael's wife killed herself a while before and her brother holds Michael responsible. Michael needs to stop the bloodshed before he loses all of his clients.

自20世纪70年代开端，美国当局实施了名为SETI的计划，30年来不间中断的用射电千里镜扫描宇宙空间，旨在寻觅外星生物和相关文化。在犹他州的德威市，有一所附属当局的测验测验室，这里正在举行一项奥秘实验。在此之前，人类曾遭到外星文化发回的信息，其中包孕外星生物的DNA构成和性命重组的方式。犹他州测验测验室的科学家们行使外星人提供的材…