It collects issues 38-43 of Jeff Smith's self-published Bone comic book series and marks the beginning of the third and final part of the saga, entitled Harvest.

At the besieged fortress of Old Man's Cave, the Headmaster of the Veni Yan summons Wendell, the village tinsmith, and explains that the current unrest is not the fault of the Bones.

The mountain erupts as the Lord of the Locusts stirs beneath it, and the armies massed outside the fortress begin their attack.

She and Fone brush the periphery of one, and are momentarily transported back into the forest as it stood before the devastation of the valley.

Thorn explains that she can survive it, and even undo the spell, because she retains a piece torn from the Lord of the Locusts' soul.

She and Fone Bone, therefore, enter a Ghost Circle, and thence the root cellar of a farmer's family, where they obtain apples.

Here, they hear voices of the farmer's family pleading for help and telling her there is a message from her mother, to "seek out the Crown of Horns" and to take the piece of the Locust from Fone Bone.