A covert government research lab in the Utah desert becomes the setting for terror and suspense when an experimental biological weapon is accidentally released, turning all exposed into crazed maniacs. The facility's security chief (Kathleen Quinlan) faces impossible odds maintaining a lockdown... while her local sheriff husband (Sam Waterston) has no less of a challenge trying to get her out. Fearsome thriller also stars Yaphet Kotto, Richard Dysart, G.W. Bailey, Jeffery DeMunn. 99 min. Widescreen; Soundtrack; English; Subtitles: English.