A hapenny should live a simple life, but two years ago Maewyn Bridgepost discovered her magick and saved her village from a troll invasion. Now, as an official Protector of the Wedge, Maewyn shares in the responsibility of keeping its residents safe. When her mentor, the wizard Callum, leads a Great Expedition, Maewyn joins the adventure, knowing that to be the best protector she can be, she must be familiar with what the world holds beyond her tiny village.The outside world can be a scary place to a band of three-foot hapennies, and they soon find themselves knee-deep in troll trouble. Captured by a gang of trolls, the group is taken to a broken-down castle to be servants to the troll queen, Huldfrejya. Unfortunately, Callum is cast into a deep slumber, so it's up to Maewyn to rescue herself and her friends before they are entangled by a powerful magickal enchantment that will turn them into slaves to the troll queen forever!