"The Nightingale" is a historical fiction novel by Kristin Hannah set during World War II in occupied France. It centers around the lives of two sisters, Vianne and Isabelle Rossignol, who experience the harrowing realities of war in different ways. Vianne is a cautious mother trying to protect her family, while Isabelle is a fiery young woman determined to resist the Nazis, leading her to take risky actions to support the French resistance. The story explores themes of resilience, love, and sacrifice as the sisters navigate the dangers of war. Their contrasting personalities reflect the varied responses to oppression, highlighting the courage it takes to oppose tyranny. The novel also emphasizes the impact of war on women's lives and the choices they must make to survive and protect those they love.