To all appearances, Madeleine and Tess were identical in every way. But beneath Madeleine's beauty, her soul was possessed by a dark nature, an unnatural desire to get whatever she wanted. Desperately unhappy, and insanely jealous of her twin's perfect life, Madeleine tormented Tess and her husband. Slowly, relentlessly, she turned her sister's happy marriage into a horrifying nightmare, pushing Tess to the very edge of sanity, waiting for the day she could claim Tess's life for her own...