In a restored farmhouse, James, an English advertizing executive, his french wife Sabine, their two children and their friends sit around the dinner table. This should be the begenning of a wonderful holliday, but Jessie, the eldest of James and Sabine's children is disturbed. She talk to a face in the mirror, responds to whispered commands no one else can hear. Sabine is determined to find who in the company is poisoning her daughter's mind.