A strange world of isolation is rapidly forming in a cave formed by a meteorite falling into the Arizona desert. From unicellular to multicellular, from bird-like to primate, extraterrestrials have evolved at an unimaginable speed and began to affect human survival. Earl (David Duchovny David Duchoni), who teaches at the university, and colleague and friend Harry (Orlando Jones Orlando Jones) are the first to discover the alien traces of meteorites and realize the dangers behind their rapid evolution. With the help of Alison (Julianne Moore Julianne Moore), a female official under the military Centers for Disease Control, they secretly collect data to find ways to contain alien invasion.