A number of business people, keeping the Christmas Eve office party going longer than was originally intended, are beset by a fire that starts in the basement of their office building and creeps up at them from floor to floor.

• Montagne Productions
• Metromedia Producers Corporation
• John Forsythe
• Joseph Campanella
• Lynn Carlin
• Anjanette Comer
• Laurie Heineman
• Don Meredith
• Kelly Jean Peters
• Pippa Scott