Conor, Abeke, Meilin, and Rollan's perilous quest for talismans in a blue-water tropical paradise becomes more dangerous when they realize that one of their number is a traitor who has been revealing their locations to their enemies.
Conor, Rollan, Meilin, and Abeke face an enemy who has been offered the ability to take over the control of a spirit animal, and this power will be used to try and destroy them.
As a dark force engulfs the land, the fate of Erdas has fallen on the shoulders of four young strangers who each have forged a rare bond with their spirit beasts -- a bond that gives great powers to all of them.
Four children have discovered that they have spirit animals, a rare bond between human and animal that has launched them on a quest to save their world. The team heads to the forests of Eura, where another Great Beast is hidden.