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A herpetologist delves into a string of deadly rattlesnake incidents and uncovers a shocking truth: the snakes have been contaminated by a secretive nerve gas carelessly dumped in the desert by the military. As the attacks escalate, he races against time to unravel the connection between the toxic substance and the increasingly aggressive behavior of the rattlers, ultimately facing the threat of an entire ecosystem turned lethal. Tension mounts as he battles both the natural world and the ramifications of human negligence in this gripping thriller.