 On their journey north to freedom in Narnia, they fall into company with the talking stallion, Bree, and the boy Shasta.Aravis overhears a plot by the Calormenes to invade Archenland and Narnia, and with this intelligence the four companions are able to warn the Archenlanders in time to thwart the invasion.In the process of their adventures, through a series of "lessons" and encounters, Aravis's character is transformed, and she acquires humility and sensitivity.