美国灾难剧情电视片。10年前经受龙卷风袭击的泰勒县再次受到威胁,气象专家和各方面的人员竭尽全力应付,E.D.A.C被认为是可以抵抗最恶劣天气的大楼,但由于一些鲜为人知的原因,这座大楼其实有缺陷,知情者力图将秘密公开并拯救人们,但负责人却极力反对,最后这座用于细菌及病毒研究的大楼命运如何,附近的人们命运又如何,让我们拭目以待吧......Brilliant Oklahoma storm chaser Peter Jensen looses his wife Mary in an unpredictable tornado. Emotionally wrecked, he moves to Portland, in the safe north. Ten years later, he visits his mother in law Margaret Harrington to attend his daughter Kara's graduation. She accepted a job with her lover, Dr. John Tedesco, in Dr. Raymond Ardmore's new epidemiological institute, EDAC. John worries it be unsafely built by a dodgy contractor. Peter's former assistant Robert Booker shows him new research, which indicates monster storms ahead. TV reporters Jerry and Julia taken an interest in both. But the risks collide.