故事发生在1890年代的法国,卢梭是一个受人尊敬的法官,当一个退役军人滥杀妇女儿童而遭到逮捕后,法官必须证明那个人不是疯子,他应该对自己的行为负责。然而,法官的道德卫士行径到头来似乎跟杀人凶手一样令人作呕。影片导演的处理和演员的表演都很出色,对人物内心的探索相当犀利,从头至尾都非常引人入胜。。Driving in the heart of the Highlands, Edmond Murray (James McAvoy) receives a call from his ex-wife (Claire Foy), in tears. Their 7-year-old son went missing from a campsite. Soon it becomes clear that the child was kidnapped and the parents give way to despair.。