Mutant snakes survived a terrorist attack on a government laboratory, and they now threaten the town of Santa Mira Springs, California. Seismic activity has brought snakes to the surface, where residents are being bitten. Victims can transmit the virus to healthy persons. The military puts the town under quarantine. Local physicians try to control the epidemic, while the military is primarily concerned with keeping the virus a secret.
On location
The cast
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