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During a visit to her sister in Appalachia, gifted musicologist Dr. Lily Penleric (Janet McTeer) stumbles upon a musical treasure trove -- dozens of Scots-Irish ballads that have been preserved for generations by the local populace and are unknown to the outside world. Intent on collecting the beautiful songs, Dr. Penleric comes to admire the locals, who live a tough, hardscrabble existence without complaint.