In an isolated society, one girl makes a discovery that will change everything -- and learns that a single stone, once set in motion, can bring down a mountain. Jena -- strong, respected, reliable -- is the leader of the line, a job every girl in the village dreams of. Watched over by the Mothers as one of the chosen seven, Jena's years spent denying herself food and wrapping her limbs have paid off. She is small enough to squeeze through the tunnels...