In 1854, beautiful, adventurous Rosa Barr travels to the Crimean battlefield with Florence Nightingale’s nursing corps. A headstrong idealist, longing to break out of the rigid confines of life as a young lady, Rosa is determined to make a difference in the world. For Mariella Lingwood, Rosa’s cousin, the war is contained within the pages of her scrapbook, in her London sewing circle, and in the letters she receives from her fiancé, Henry—a celebrated surgeon…