After being awoken by strange sounds night after night, Doug realizes his daughter's imaginary friend might be something paranormal. In his pursuit of answers, Doug exhumes details about the history of their property, including a possible reason for the spirit's presence. After a near-catastrophic injury to his wife, and a shocking revelation from Janie, Doug learns this spirit doesn't simply want Doug to leave-it wants young Janie for itself.
Fifty years ago, an event happened in the White Mountains of New Hampshire that had the potential of wiping out the entire human population within that region. The event was quickly addressed by a local group trained to handle this kind of crisis. The death toll was more than anyone had expected, but the event was ultimately silenced, hidden from the radar of the authorities. Since that time, things have been quiet…until now.