Maggie McKay hardly knows what to do with herself. After an idyllic childhood of homeschooling with her mother and roughhousing with her older brothers, it's time for Maggie to face the outside world, all on her own. But that means facing high school first. And it also means solving the mystery of the melancholy ghost who has silently followed Maggie throughout her entire life. Maybe it even means making a new friend - one who isn't one of her brothers.