To eight-year-old Bela, her family is her world. There’s Mommy, Daddo, and Grandma Ruth. But there is also Other Mommy, a malevolent entity who asks her every day: “Can I go inside your heart?” When horrifying incidents around the house signal that Other Mommy is growing tired of asking Bela the question over and over, Bela understands that unless she says yes, her family will soon pay. Other Mommy is getting restless, stronger, bolder. Only the bonds of family can keep Bela safe, but other incidents show cracks in her parents’ marriage. The safety Bela relies on is about to unravel.

Ignorant of civilization and cautioned against its evils, nineteen-year-old Wren and her two sisters, Sage and Evie, were raised in off-the-grid isolation in a primitive cabin in upstate New York. When the youngest grows gravely ill, their mother leaves with the child to get help from a nearby town. And they never return. As months pass, hope vanishes. Supplies are low. Livestock are dying.

Charlotte Davis is in pieces. At 17 she's already lost more than most people do in a lifetime. But she's learned how to forget. The broken glass washes away the sorrow until there is nothing but calm. You don't have to think about your father and the river. Your best friend, who is gone forever. Or your mother, who has nothing left to give you. Every new scar hardens Charlie's heart just a little more, yet it still hurts so much. It hurts enough to not care anymore, which is sometimes what has to happen before you can find your way back from the edge.

Mia and Finn are busy turning a derelict house into their dream home when Mia unexpectedly falls pregnant. But just when they think the house is ready, Mia discovers a shocking message scored into a skirting board: I WILL SAVE THEM FROM THE ATTIC. Following the clue up into the eaves, the couple make a gruesome discovery: their home was once a real-life murder house, with the evidence still concealed within the four walls.

Julie is missing, and no one believes she will ever return - except Elise. Elise knows Julie better than anyone, and feels it in her bones that her best friend is out there and that one day Julie will come back. She’s right. Two years to the day that Julie went missing, she reappears with no memory of where she’s been or what happened to her. Along with Molly and Mae, their two close friends from college, the women decide to reunite at a remote inn. But the second Elise sees Julie, she knows something is wrong - she’s emaciated, with sallow skin and odd appetites.