All she ever wanted was a quiet life. Until now.When Katie marries the sweet and loyal Howard, she gives up her career ambitions. She is a loving, dutiful wife living a loving, dutiful life. She doesn't ask for much, so when she tells Howard she wants to move to a beautiful new house she has found in the Colorado mountains, he is happy to agree.But he doesn't know what she knows.This house is linked to a long line of missing girls. Girls like Katie's best friend Claire, who disappeared years ago. It holds the clues to a terrifying web of crimes in the strange noises at night, the sounds within the walls, the footprints in the snow that stop just outside the back door.The house is trying to tell her something; it needs her to find her voice. To uncover the truth. Whatever evil is unleashed. She should have stayed quiet...