Catherine Burgess is a bored woman that longs for the memory of her father, with whom she had an incestuous relationship. She spends all of her time in her attic, staring at her reflection in an old mirror and masturbating to various sordid fantasies. What she doesn't know is that she is being watched by a dark and sensual entity in the mirror that is intent on drawing her into its world and making her its own. Published in 1976, Through the Looking Glass is the film novelization of the erotic horror adult film of the same name. It was written by Eileen Lottman under the pseudonym of Molly Flute.