After being run out of Boneville, the three Bone cousins, Fone Bone, Phoney Bone, and Smiley Bone, are separated and lost in a vast uncharted desert.

One by one, they find their way into a deep, forested valley filled with wonderful and terrifying creatures...

After being run out of Boneville, the three Bone cousins, Fone Bone, Phoney Bone, and Smiley Bone, are separated and lost in a vast uncharted desert.