Late one summer night, Elizabeth Sanderson receives the devastating news that every mother fears: her 13-year-old son, Tommy, has vanished in the woods of a local park. Riddled with worry, pain and guilt, Elizabeth is wholly unprepared for the strange series of events that follow.

As the search grows more desperate, and the implications of what happened become more haunting and sinister, no one is prepared for the shocking truth about that night.