A computer at a nuclear power plant malfunctions and receives erroneous information of a radiation leak. It seals off the compound, trapping the crew inside.
Director:
William Devane
Frank Brolen
Michael Brandon
Carl Wyche
Adrienne Barbeau
Judy Wyche
Ralph Waite
Henry Stone
David Hayward
Larry Cadwell
M. Emmet Walsh
Sheriff Sweeney
