Caroline Bryer is the daughter of a very conservative TSA agent and former military brat, Morgan Bryer. Her mother, Linsey Bryer, is a descendent of the Sutherland real estate family. Their organized, suburban life in Colonie, New York is rigorously regulated and leaves little room for deviation from the norm. When Linsey, Morgan, and Caroline attend the wake of their neighbor Mr. Gleeson, they meet his charming daughter Natalie “Nattie” Gleeson, who works for the American ambassador to France. Linsey and Nattie strike up a fast friendship.

Elle Edwards, who has been told she's a product of her mother's sinful mistake, has never gone to school, never met a teenager her own age, never even been allowed off of her grandparents' property. Convinced that their granddaughter is infected with evil, Myra and Prescott Edwards believe that only the harshest child-rearing methods will prevent Elle from becoming an instrument of the devil.

Ever since Fern could remember, she and her mother have lived as servants in Wyndemere House, the old Gothic mansion of the Davenport family. She may have been a servant, but Fern developed a sweet friendship with Dr. Davenport's son, Ryder, and she was even allowed free range of the estate. But Dr. Davenport has remarried, and his new wife has very different ideas about a servant's place. Yet, for all her wrath, the cruel woman cannot break the mysterious bond between Ryder and Fern.

They were a perfect and beautiful family - until a heartbreaking tragedy shattered their happiness. Now, for the sake of an inheritance that will ensure their future, the children must be hidden away out of sight, as if they never existed. They are kept in the attic of their grandmother’s labyrinthine mansion, isolated and alone. As the visits from their seemingly unconcerned mother slowly dwindle, the four children grow ever closer and depend upon one another to survive both this cramped world and their cruel grandmother.

When former teacher Paula Eden adopts Faith and Trevor, she is astounded by their natural intelligence and decides to homeschool them to nurture their brilliance. But as the years go on, Faith and Trevor itch for more independence. When Faith sets her sights on a handsome young man visiting from out of town, Paula grows increasingly desperate to preserve her small family and her plans for the children to carry on her legacy. Luckily, she has a cohort in loyal Trevor, who will do anything to please his mother, even at the risk of hurting his sister and changing their lives forever.