By the time the autumn rains finally arrived, the village had changed. The gates between the levels were gone. They realized that unity wasn't about everyone doing the same job—it was about realizing that no matter how high or low you lived, you were all nourished by the same sap.
One summer, the Great Drought hit. For months, not a single drop of rain fell.
The were the first to suffer. Without rain, their high gardens withered. They cried out for water, but the Root-Tenders, bitter from years of being ignored, hoarded the deep-well reserves for themselves. "You have the sun," the Root-Tenders shouted up. "Drink that."
It was Elara, a young Trunk-Keeper, who stood in the central plaza where the three levels met.