School’s out for legally blind, 14-year-old songwriter Abigail and her best friend, photographer-mechanic Baggy. Join these refugees and Abby’s guide dog Curly Connor, as they fly in the Cloud Scooper, sneak around Bar Gundoom Castle and row across an underground lake. After overhearing plots to steal the powerful Heartstone of Arden-Goth from their new school, they work to unmask the spy and stop the bullying of their troubled friend Christopher. An armed stranger and several classmates have other plans.