On an unnamed island, queen Maeve of Temra seeks to conquer the peaceful kingdom of Kells and enlists the evil fairy Mider, who gives her the mystical Rune Stone allowing Maeve to use sorcery. Queen Maeve mostly uses the Rune Stone often to create or summon monsters whom she sends to wreak havoc. When king Conchobar of Kells seeks a way to protect his kingdom, protagonist Rohan, a druid's apprentice, goes in search of the prophesied hero "Draganta", with his friend the reformed thief Angus.