 When the astronomer Zane Ziminski (Charlie Sheen) receives signal from a distant star, he reports and gives all the evidences to his chief, Phil Gordian (Ron Silver), and is immediately fired. Zane becomes obsessed to locate the signals again and finds a transmission to the outer space in the same wave from Mexico, and he flies to the place. Meanwhile, the scientist Ilana Green (Lindsay Crouse) is investigating the unexplained raise of the temperature in Third World countries and also goes to Mexico for further research.