The mill town of Lowell, Massachusetts, beckons Arabella Newberry when she decides to flee the life of the Shakers. There she finds the independence she seeks and a greater purpose as she works for educational reform. But Lowell, plagued by ethnic strife, seems no longer a safe haven but rather a danger when several girls go missing. As rumors and conflict invade the industry of the mill, Arabella struggles with her own heart as two men vie for her love.