这部影片把美国南北战争作为背景，改编自路易莎-梅-奥尔科特的同名小说，讲述的是在19世纪的美国，这四个姐妹在新英格兰地区的普通家庭中发生的故事。

由西尔莎-罗南饰演的乔，始终主张着自己要主宰自己的人生，在与出版社老板讨论自己的初稿作品，在她的心中也经常会回想起自己温暖而又吵闹的家，由艾玛-沃森饰演的梅格，是一个渴望爱情又美丽端庄的女孩，由伊莱扎-斯坎伦饰演的贝丝，是一个善良细心又性格内敛的女孩，由佛罗伦斯-珀饰演的艾米，是一个热爱艺术又开朗活泼的女孩，这四个姐妹是迥然不同的，看似有些反派不过都有着自己的主见，在南北战争时期，这四个女孩经历了爱情，家庭与战乱的一系列变化，依靠着彼此的支持与理解，努力的活成了令自己骄傲的样子。

Set against the backdrop of the American Civil War, this film is based on Louisa May Alcott's novel of the same name and tells the story of a 19th-century America, the story of these four sisters in an ordinary family in New England

Joe, played by Saoirse Ronan, always advocates that she should be in charge of her own life, discussing with the boss of the publishing house In her first draft, she often recalls her warm and noisy home in her heart. Meg, played by Emma Watson, is a beautiful and dignified girl longing for love. Eliza Scan Beth, played by Lun, is a kind, careful and introverted girl, and Amy, played by Florence Pugh, is a cheerful and lively girl who loves art. These four sisters are very different. The villains all have their own opinions. During the Civil War, the four girls experienced a series of changes in love, family and war. Relying on each other's support and understanding, they worked hard to become proud of themselves.