Dr. Willa Watters is a prominent child psychologist at the height of her career. But when a viral video of a disastrous television interview puts her reputation on the line, Willa retreats to Broken Bayou, the town where she spent most of her childhood summers. There she visits her aunts’ old house and discovers some of her unstable mother’s belongings still languishing in the attic—dusty mementos harboring secrets of her harrowing past. Willa’s hopes for a respite are quickly crushed, not only by what she finds in that attic but also by what’s been found in the bayou.

FBI special agent Mercy Kilpatrick has been waiting her whole life for disaster to strike. A prepper since childhood, Mercy grew up living off the land — and off the grid — in rural Eagle’s Nest, Oregon. Until a shocking tragedy tore her family apart and forced her to leave home. Now a predator known as the cave man is targeting the survivalists in her hometown, murdering them in their homes, stealing huge numbers of weapons, and creating federal suspicion of a possible domestic terrorism event.

A night spent sleeping on dirt and leaves is not how Claire Matchett expected to spend her vacation. She thought this would be a break. A week of hiking and hot tubs with two other couple friends. Then Claire’s minivan breaks down on a lonely dirt road. With no cell reception, the group has no choice but to hike the rest of the way to their hotel. But it turns out the woods aren’t as easy to navigate as they thought. Hours later, they are lost. Hopelessly lost. And as they navigate deeper into the woods, the members of their party are struck down mysteriously one by one.

Summer 1924. On the eve of a glittering Society party, by the lake of a grand English country house, a young poet takes his life. The only witnesses, sisters Hannah and Emmeline Hartford, will never speak to each other again. Winter 1999. Grace Bradley, 98, one-time housemaid of Riverton Manor, is visited by a young director making a film about the poet’s suicide. Ghosts awaken and memories, long consigned to the dark reaches of Grace’s mind, begin to sneak back through the cracks. A shocking secret threatens to emerge – something history has forgotten but Grace never could.

The night of their senior picnic, Scarlett Russo and her best friend Pepper were involved in a car accident that left two of their classmates dead. Afterward, they lied to the police, protecting each other from the consequences. Then Pepper left town and Scarlett never heard from her again.