A radio astronomer discovers a signal transmitting to Earth and resolves to discover its source. Travelling to Mexico, he unwittingly uncovers an alien conspiracy to take over the planet and finds his own life in danger. Sci-fi thriller, starring Charlie Sheen, Ron Silver, Lindsay Crouse and Teri Polo.

Zane Ziminski is an astrophysicist who receives a message that seems to have extraterrestrial origins. Eerily soon after his discovery, Zane is fired. He then embarks on a search to determine the origins of the transmission that leads him into a Hitchcockian labyrinth of paranoia and intrigue.