The adventures of Julie and Bonnie continue in this fourth in the series of "The Bonnie Books." With "Sunbonnet" Julie Jefferson's beloved "Bonnie" retired from racing and expecting a foal, Julie is excited over her new jumper prospect "Cache" and her new neighbors Dirk and Alexis. Then, the accidents started and they were too often to be "accidental." Join Julie and Bonnie as they search for answers in "Bonnie and the Haunted Farm."