Grim Wolds, England: Winifred Notty arrives at Ensor House prepared to play the perfect governess—she’ll dutifully tutor her charges, Drusilla and Andrew, tell them bedtime stories, and only joke about eating children. But long, listless days spent within the estate’s dreary confines come with an intimate knowledge of the perversions and pathetic preoccupations of the Pounds family—Mr. Pounds can’t keep his eyes off Winifred’s chest, and Mrs. Pounds takes a sickly pleasure in punishing Winifred for her husband’s wandering gaze.

Clio Louise Barnes leads a picture-perfect life as a stylist and influencer, but beneath the glossy veneer she harbors a not-so glamorous secret: she grew up in a haunted house. Well, not haunted. Possessed. After Clio’s parents' messy divorce, her mother, Alex, moved Clio and her sisters into a house occupied by a demon. Or so Alex claimed. That’s not what Clio’s sisters remember or what the courts determined when they stripped her of custody after she went off the deep end. But Alex was insistent; she even wrote a book about her experience in the house.

“If you’re reading this, you’ve likely thought that the world would be a better place without you.” A single line of text, glowing in the darkness of the internet. Written by Ashley Lutin, who has often thought the same—and worse—in the years since his wife died and his young son disappeared. But the peace of the grave is not for him—it’s for those he can help. Ashley has constructed a peculiar ritual for those whose desire to die is at war with their yearning to live a better life.

From her cell in a mysterious convent, a woman writes the story of her life in whatever she can find—discarded ink, dirt, and even her own blood. A lower member of the Sacred Sisterhood, deemed an unworthy, she dreams of ascending to the ranks of the Enlightened at the center of the convent and of pleasing the foreboding Superior Sister. Outside, the world is plagued by catastrophe—cities are submerged underwater, electricity and the internet are nonexistent, and bands of survivors fight and forage in a cruel, barren landscape. Inside, the narrator is controlled, punished, but safe.

One night, Jess, a struggling actress, finds a five-year-old runaway hiding in the bushes outside her apartment. After a violent, bloody encounter with the boy's father, she and the boy find themselves running for their lives. As they attempt to evade the boy's increasingly desperate father, Jess slowly comes to a horrifying understanding of the butchery that follows them—the boy can turn his every fear into reality. And when the wolf finally comes home, no one will be spared.