On July 2nd, communications systems worldwide are sent into chaos by a strange atmospheric interference. At first thought to be meteors, the United States military suspect that a number of enormous alien spacecraft are on a collision course with Earth. After attempts to communicate with the aliens go nowhere, David Levinson, an ex-scientist turned cable technician, discovers that the aliens are going to attack major points around the globe in less...

Area 51 harbors a dark secret; A wormhole strengthening over the last 50 years. Alien creatures escape and over-run the facility, the survivors take refuge in a nuclear bunker, but soon the alien invaders make their way inside and the carnage begins.