When a fantastical world filled with talking animals is tormented by a mysterious monster, a corky kangaroo seeks help from an entirely different world. Who will he find? At first glance, Adam and Grace seem like ordinary kids but all that changes when they realize that THEY are the destined heroes that must save Abaddon. The adventure that awaits them is beyond their wildest imaginations. Whether it's discovering the mysteries of Abaddon or uncovering their own inner truth, the young siblings go on an epic journey and learn what it ultimately means to be a hero.