We have them sleepovers all the time. Whether it's at a friend's house, a grandmother's house, or a cousin's house, we are all familiar with sleepovers. But Jacob and Kate are staying at their Aunt Holly's house for a specific reason, a reaosn perhaps not fully understood by little Kate. However, Jacob knows. In order to cope with it, he ventures out into her backyard, bordering the spooky forest beyond her house, and discovers a truth too terrifying to comprehend.