A herpetologist investigating a series of fatal rattlesnake attacks discovers that the creatures have been infected by a mysterious nerve gas disposed of in the desert by the military.

A serial killer escapes from a mental hospital and hides out in a small town. A local cop must catch him before he starts on another killing spree.

A herpetologist investigating a series of fatal rattlesnake attacks discovers that the creatures have been infected by a mysterious nerve gas disposed of in the desert by the military.

A serial killer escapes from a mental hospital and hides out in a small town. A local cop must catch him before he starts on another killing spree.