Evidently inspired by the 1958 theatrical feature
It! The Terror From Beyond Space (which, of course, was also the basis for the 1979 thriller
Alien), this made-for-cable melodrama begins as the crew of the space shuttle
Oklahoma returns to earth after a routine mission. Unbeknownst to them, they have also brought back an alien "guest" in the form of seeds which blossom into insectoid life-forms, infiltrating human bodies to complete their evolution. At first, the victims of these aliens think they've merely broken out in blisters, but they soon learn differently -- to their unutterable horror. Racing against the clock, the
Oklahoma's chief medical officer "Geronimo" Horne (
Nicholas Lea) works in concert with his colleague Thaddeus Owens (
Anthony Sherwood) and entimologist Savannah Bailey (
Jamie Luner) to stem the alien invasion before the rapidly proliferating creatures reach the "threshold" amount -- at which point they will be impossible to control.
Threshold debuted April 19, 2003, on the Sci-Fi Channel. ~ Hal Erickson, All Movie Guide