There's always something happening at Bibernell Castle! Every stone has its secret, and even the moat holds more than just water and duckweed. Here lives Igraine with her older brother and her parents. To Igraine's dismay, her family prefers to focus on magic rather than knightly duties. Igraine dreams of becoming a famous knight! But first, she needs to embark on a real adventure. That adventure comes sooner than expected: shortly after Igraine's birthday, the castle is besieged by enemies! Unfortunately, her parents are no help, as they have turned into pigs due to a little "magic accident." But Igraine has a brilliant idea...