Radio astronomer Charlie Sheen intercepts a signal from outer space and soon discovers that not only is there life on other planets, but they may already be living on Earth. After he's mysteriously fired from his job, Sheen uncovers the extraterrestrials and their devious plan to conquer Earth through global warming. Then, after his astronomer brother is killed, computer programmer Jack Zaminski receives a package that warns him of a plot by extraterrestrials to control the world. Soon, Jack, areporter and three scientists are targeted for murder, and in order for them to escape, they must convince others of the alien scheme. 3 1/2 hrs. total. Widescreen; Soundtracks: English Dolby Digital 5.1, French Dolby Digital 5.1; Subtitles: English,French, Spanish; theatrical trailers.