Karen Spellman is leaving Los Angeles behind, packing up her life and her daughters, and returning to her hometown to marry her high school sweetheart. In the countryside of her childhood, she is looking forward to a fresh start. But her life quickly turns dark and a malevolent force beyond her control threatens to take her daughters from her and ruin her dreams of a new life. Little does anyone know that an evil thought to be long dead has only been lying in wait, quietly anticipating the day when it will finally be able to satisfy its vengeful desires.

Italy, 1252. Inquisition. Accusation. Fear. Torture. The guilty and the innocent dying for sins real and imagined, in the flames of the burning stake.... Neilsville, 1978. Peter Balsam has come to this sleepy desert town to teach its youth, and finds a mystery of mounting horror. Something is happening to the young girls of St. Francis Xavier High School - something evil. In bloodlet and terror a suicide contagion has swept the town...while a dark order of its holy men enacts a secret medieval ritual.

The small town of Villejeune, Florida, lies far enough from the inquisitive eyes of strangers and even the reaches of the law that a community with its own customs, rituals, and deadly rites has grown there. In order to start fresh after a failed job prospect and unexpected emotional trauma for their teenage daughter, Ted and Mary Anderson have returned home to Villejeune, unaware of the growing malevolence there. Soon, they are thrust into a nightmare as their sweet but troubled daughter, Kelly, is pulled into the darkness that seems to have consumed the town.

Something is happening to the children of Eastbury, Massachusetts.... Something that causes healthy babies to turn cold in their cribs. Something that strikes at the heart of every parent's darkest fears. Something unexplained that is taking the children, one by one.

It has waited seven years for someone to come back to the rambling lakeside house called Pinecrest, which has stood empty since its last owner went missing. For upscale Chicago couple Dan and Merrill Brewster, the old midwestern manse is an ideal retreat, and for their kids, Eric and Marci, it's the perfect place to spend a lazy summer exploring.

They call it the Academy: a secluded, cliff-top mansion overlooking the rugged Pacific coast. It's a school for children gifted - or cursed - with extraordinary minds, children soon to come under the influence of an intelligence even more brilliant than their own - and unspeakably evil.

Woody Bookman hasn’t spoken a word in his eleven years of life. Not when his father died in a freak accident. Not when his mother, Megan, tells him she loves him. For Megan, keeping her boy safe and happy is what matters. But Woody believes a monstrous evil was behind his father’s death and now threatens him and his mother. And he’s not alone in his thoughts. An ally unknown to him is listening.

After a sudden fire leaves Matt's senile and troubled grandmother homeless, she moves in with the family. Her ceaseless demands cause unrelieved tension - and with her comes a shameful secret about her daughters that traps Matt between a dead aunt who haunts him and his own mother, who seeks redemption for her sister's sins - and her own. Matt transforms from a gregarious teenager to a hostile loner prone to fits of rage - tortured by chilling memories and haunted by nightmares.

Every parent's nightmare becomes a reality for Kara Marshall when her daughter, Lindsay, vanishes from her bedroom during the night. The police suspect that the girl is just another moody teenage runaway, angry over leaving behind her school and friends because her family is moving. But Lindsay's recent eerie claim - that someone invaded her room when the house was opened to prospective buyers - drives Kara to fear the worst.

Lush and deceptively tranquil, with its pristine beaches and blossoming vegetation, the island basks in splendid isolation off the South Carolina coast. Here, where sudden storms unleash the murderous rage of wind and sea, stands the Devereaux mansion, a once-great plantation house now crumbling amid ancient oaks dripping with Spanish moss. Here, Marguerite Devereaux, 50 and childless, has cast off her dreams to care for her aged, demanding mother.