There's someone at your front door - should you let them in? Find out in a riveting new thriller from global sensation and #1 New York Times bestselling author of The Housemaid, Who knows what the storm will blow in...Casey's cabin in the wilderness is not built for a hurricane. Her roof shakes, the lights flicker, and the tree outside her front door sways ominously in the wind. But she's a lot more worried about the girl she discovers lurking outside...