The Emerald Isles, the homeland of the Fianna, omnivorous deer people, is on the verge of civil war. The clans are turning on one another, and with the High King old and sick, the issue of succession only adds to the country's troubles.

Meanwhile, in a small county on the Isles northern shore, Equestria's Princesses have arrived, hoping to find a lowly goat herder by the name of Dearg mac Cormaic.

Told from the perspective of Dearg

Book One of the Emerald Wars