In a few short days, South Bundelag will invade the North with a vast human army. The Fairy Queen asks Arica and Connor to travel to troll country for help, while she plans a defence with the fairies, elves and ogres. But can even the combined forces of the magical creatures of Bundelag win against such powerful enemies? On the eve of the invasion, Connor finds a prophecy in the Book of Fairies that convinces Arica she may be able to use her magic – and that of the unicorns – to move forward to victory. The battle begins…