Mr Hornsby’s tale of ancient Irish battles inspires the kids to act out their own crusade. The game that ensues brings to light the differences in the trio’s heritage. Unfortunately, this puts Ferny on the opposing side because of his Spanish roots. Ferny finds it upsetting to be the enemy and begins to doubt whether Ireland is his true home. In the end, while Ferny learns that you can make anywhere in the world your home, Piggley and Dannan discover that introductions to new cultures can be an enriching experience.