When Zora Neale Hurston and her best friend, Carrie Brown, discover that the town mute can speak after all, they think they've uncovered a big secret. But Mr. Polk's silence is just one piece of a larger puzzle that stretches back half a century to the tragic story of an enslaved girl named Lucia. As Zora's curiosity leads a reluctant Carrie deeper into the mystery, the story unfolds through alternating narratives. Lucia's struggle for freedom resonates through the years, threatening the future of America's first incorporated black township.