In Book One of The Broken Seal, Ancient dragon Gilden Rheas breaks free of his prison under Crater Lake, shattering The Untouchable Seal that separates the magical realm of Ishda from the world of man. While witnessing the dragon's escape, Garth is marked by the Jewel of Rhidenmore as its new owner and is tasked with an impossible feat. Put Gilden Rheas back. Grand Wizard Rheardonax emerges as the dawn's light touches Crater Lake's Wizard Island to become teacher for the reluctant Garth. When Garth learns that the malevolent dragon has abducted his sister, he sets out on a trail of rescue and revenge. Not until later does he discover how fast the magic of Ishda is seeping into the pores of the earth's fabric, changing it possibly forever. In a contentious relationship with his mentor Rheardonax, Garth sets off on his Quest finding unlikely allies along the way and leading The Fighting Lion Company to rescue his sister. Together they range the country searching for Garth's sister, fearful that Gilden Reas is never far away.