It took Penny Heller a long time to recover from the trauma of a brutal physical assault, suffered in her youth. When she married Robert, he provided her with the love and reassurance she craved for and the two settled down in a pretty house in the grounds of the public school where Robert was a master. But the headmaster of the school is not what he seems and Penny is convinced he means to harm her - is her fear a figment of her tortured imagination or are there forces at work that intend to manipulate her anxieties with fatal consequences?
Bank teller Vince Grayson wakes from a nightmare in which he and an unknown woman murdered a man in a strange, mirrored room. Only a dream...but Vince finds that he has physical objects and bruises from his "dream." His cop brother-in-law dismisses his story...until the family, on a picnic, takes shelter from a thunderstorm in a deserted mansion containing that mirrored room.