Overview
Warning Sign is a 1985 American science fiction-horror film directed by Hal Barwood and starring Sam Waterston, Kathleen Quinlan, Yaphet Kotto, Jeffrey DeMunn, and Richard Dysart.
Plot
In a secret military laboratory operating under the guise of a pesticide manufacturer, there is an outbreak of a virulent bacteria. During routine work, a sealed tube is broken, releasing the secret biological weapon. Detecting the release of the weapon, Joanie Morse, the plant's security officer, activates "Protocol One," a procedure sealing all of the workers inside from the outside world.
Tom Schmidt believing the cause for the lock down to be a pump malfunction, with another worker, Bob, restart the pump. After several moments of being unable to contact Dr. Nielsen in the biohazard P4 lab, Dr. Nielsen contacts Security, confirms "Protocol One", and advises Security to open the safe and contact USACT, the U.S. government's Accident Containment Team, to deal with the problem.
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