Dougal O'Shea, the young, shy leprechaun always dreamed of being a hero, and now his chance has come. While he and his twin sister Derry are visiting their fairy dragon friend Phil, five fairies fall through the magical portal looking for Phil. Their fairy Princess Amber has been kidnapped by the evil and ruthless pixie King Rupert, so Dougal, Derry and Phil must go to the world of Connaught to help rescue Princess Amber. But will the leprechauns and dragon be enough to save Princess Amber? Is the magic of the fairy wizard Neave enough to beat the pixies? And who are the mysterious prisoners locked in the prison cell?