After a violent car wreck nearly takes his life, Detective Jack Barnes begins having inexplicable and terrifying premonitions of horrible disasters. At first his warning calls go unheeded, but as the premonitions begin to come true Jack is shocked to find himself wanted for questioning by the FBI. He goes on the run, narrowly avoiding both the FBI and a band of terrorists on the verge of unleashing a deadly attack. As he scrambles to unlock the meaning of the visions, he must race against the clock to stop the terrorists before they can strike again.

斯科特·米勒（尼克·莱德 Nic Rhind 饰）大学时代曾像很多年轻人一样放荡不羁，他也因此受到处罚。在此期间，故乡华盛顿夏保福镇的女友杰西（Robyn Ledoux 饰）被父母强迫，与米勒分手。两年后，物是人非，米勒和杰西再次相遇，只能感叹有缘无份。此时米勒已经有了新的女友莉迪娅（Marina Pasqua 饰）。这是一个轻浮放荡的女子，她在鲨鱼俱乐部狂欢，最后惨死在洗手间内。偏巧目睹这一场面的米勒被当作杀人凶手，受到通缉。
此前当地一所拥有上百年历史的教堂失火，一名消防员在整理现场时无意中打开埋在地下的封印，只是恐怖的妖虫重返人间，而它也直接导致莉迪娅的死亡。得知真相后的米勒，最终能否消灭妖虫？