Kim sees a beautiful black horse from her school bus window on the very day Gramma-Lou is coming to live with Kim's family. Gramma-Lou is Kim's best friend, sharing her passion for horses and loving her just as she is. Everything is going to be perfect when Gramma-Lou comes to stay. But when Kim looks for the horse, it seems to have vanished. Was it a ghost?

There's talk of ghosts around Meadow Green --- kids at school claim Kim's house is haunted by someone named Crackers and that something awful happened there. Kim's parents say it's nonsense, but when Gramma-Lou finally arrives, Kim's perfect plans are shattered and dark secrets come to light in Meadow Green.