It happens without warning. All electrical devices are abruptly shut down. Dark, unearthly clouds form over cities and towns from which lightning strikes and vaporize its victims. Food and water is suddenly contaminated, causing bacterial infection that kills within the hour, ominous robed figures sweep the cities and landscapes, vaporizing everyone in sight. Caught on the outside of civilization are four people, confronted with the unexplainable dangers surrounding them at every turn, in their perilous journey to find refuge, the burning questions arising: is this an alien attack on mankind? Gods biblical wrath? Biological warfare from an earthbound enemy? As the nightmarish events continue to unfold, the grim reality becomes clear to them that by days end mankind will be extinct.