As Eureka and his group of spirit animals travel to Eura to recover The Shepherd's Crook, the group becomes tense with frequent Oathbound attacks. They begin supecting each other. Enemies giving death-glares at each other, even best friends becoming suspicious. To make matters worse, a new member joins the group and is welcomed with glares and whispers. They never thought someone they trusted could be the traitor...

Enter the world of Eureka, Jinx, and Sunshine as they live their life in Greenhaven with Coconut, Claw, Autumn, Moonshadow, Ji Li, Cookie, Salt, Solar, and Midnight. However, troubles are yet to come, especially with the now disbanded Oathbound. When the small gang of spirit animals learn they must leave Greenhaven in order to protect it, the spirit animals spring into action, collecting items to defend their home. They will face dangers and adventures together, uncovering secrets that should be left in the dust...