Twelve ordinary people are called for jury duty for a murder case as traumatizing as it is controversial in which a woman stands trial for killing her own blood...

　　为了静下心来研究学问，老实木讷的数学家大卫•萨莫（Dustin Hoffman 达斯汀•霍夫曼 饰）协同妻子艾米（Susan George 苏珊•乔治 饰）回到位于英国乡村的老房子。艾米性感大胆的穿着引来村中男人们粗鄙的目光，而大卫看似懦弱的外表更让他们有恃无恐。某日，他们借打猎之名将大卫引出家门，随后对艾米进行轮奸，面对这种种羞辱，大卫只能强颜欢笑　　某晚，低能儿尼尔斯误杀心仪的女孩，仓皇中...