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.

Genres

Cast

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