Isla Hansen, a mother reeling from a devastating loss, is beside herself when a mysteriously orphaned child appears on the outskirts of the Hansens’ secluded Colorado property. Although strange and unexplainable, the child’s presence breathes new life into Isla. But as the child settles in, Isla’s husband, Luke, and their five children notice peculiarities that hint at something far beyond the ordinary—anomalies that challenge the very fabric of reality itself.

Muriel McAuley has lived in the Scottish fishing village of Witchaven all her life. She was born there, and she intends to die there. But when an overseas property developer threatens to evict the residents from their homes and raze Witchaven to the ground in the name of progress, all seems lost . . . until the day a mysterious fog bank creeps inland.

When the mutilated body of a young woman is discovered in the desert on the outskirts of Los Angeles, the detective assigned to the case can't deny the similarities between this murder and one that occurred a year prior. Media outlets are quick to surmise this is the work of a budding serial killer, but Detective Bill Renney is struggling with an altogether different scenario: a secret that keeps him tethered to the husband of the first victim.

The Netherlands, 1887. Lucy's twin sister Sarah is unwell. She refuses to eat, mumbles nonsensically, and is increasingly obsessed with a centuries-old corpse recently discovered on her husband's grand estate. The doctor has diagnosed her with temporary insanity caused by a fever of the brain. To protect her twin from a terrible fate in a lunatic asylum, Lucy must unravel the mystery surrounding her sister's condition, but it's clear her twin is hiding something. Then again, Lucy is harboring secrets of her own, too.

An alcoholic teacher and father’s world spirals out of control when a former student is killed and he is left with her dog and the dark presence that follows it. Matt Matheny teaches during the day, drinks at night, and barely hides his functioning alcoholism from his veterinarian ex-wife, Lucy, and his six-year-old son, Mikey. His world spirals out of control when a former student is killed, and he's left with her dog, Conehead. But something isn't right with Conehead.