Kit Darling is a maid with a snooping problem. She’s the “invisible girl,” compelled to poke into her wealthy clients’ closely guarded lives. It’s a harmless hobby until Kit sees something she can’t unsee in the home of her brand-new clients: a secret so dark it could destroy the privileged couple expecting their first child. This makes Kit dangerous to the couple. In turn, it makes the couple—who might kill to keep their secret—dangerous to Kit.

As a teenage runaway and child of an addict, Christy-Lynn learned the hard way that no address was permanent, and no promise sacred. For a while, she found a safe haven in her marriage to bestselling crime novelist Stephen Ludlow - until his car skidded into Echo Bay. But Stephen’s wasn’t the only body pulled from the icy waters that night. When details about a mysterious violet-eyed blonde become public, a media circus ensues, and Christy-Lynn runs again.

One unbearable mistake at the edge of the forest. In a moment of crisis, Ellis Abbey leaves her daughter, Viola, unattended - for just a few minutes. But when she returns, Viola is gone. A breaking point in an already fractured marriage, Viola’s abduction causes Ellis to disappear as well - into grief, guilt, and addiction. Convinced she can only do more harm to her family, Ellis leaves her husband and young sons, burying her desperate ache for her children deeper with every step into the mountain wildernesses she treks alone. 

Newlyweds Tricia and Ethan are searching for the house of their dreams. But when they visit the remote manor that once belonged to Dr. Adrienne Hale, a renowned psychiatrist who vanished without a trace four years earlier, a violent winter storm traps them at the estate… with no chance of escape until the blizzard comes to an end. In search of a book to keep her entertained until the snow abates, Tricia happens upon a secret room. One that contains audio transcripts from every single patient Dr. Hale has ever interviewed.

Daughter of a cold, controlling mother and an anonymous donor, studious, obedient Elizabeth Fitch finally let loose one night, drinking too much at a nightclub and allowing a strange man’s seductive Russian accent to lure her to a house on Lake Shore Drive. Twelve years later, the woman now known as Abigail Lowery lives alone on the outskirts of a small town in the Ozarks.