Radio astronomer Zane Zaminsky (Charlie Sheen) believes he's picked up a cosmic noise that signals extraterrestrial intelligence. But after turning over the tape to his boss Phil Gordian (Ron Silver), Zane's fired, his girlfriend (Teri Polo) gets transferred and his partner is found dead from a supposed suicide. Zane's desperate search for answers leads him to Mexico and a mysterious power planet that is generating more than electricity and is run by people who are not what they appear to be. Arrested for the murder of a scientist (Lindsay Crouse) investigating an impending ecological disaster, Zane escapes custody carrying proof of a world-shattering alien invasion in this intense sci-fi thriller.