从小就被分开的孪生姊妹，长大后一个在马赛一个在葡萄牙海岸小镇，生活各不相干。她爱上的是一个女人，她则情迷剧院中的神秘男人。在迥异的环境中，相隔千里，竟是共同对母性的向往，对歌剧的沉迷，甚至是对爱的执著。跟母亲命运巧合的宿命，把陌生的两姊妹连成一线，悲剧告终。

芳龄20、貌美的卡萝尔暂无内容bull;施奈德尽管有着富裕而安逸的生活，但她并不快乐。她的男友亚历山大既细心又有耐心，而她总却期待他有其它不一样的、超出公认的准则的生活给她。然而，亚历山大的冷漠使她感到不安，于是，卡萝尔以外出宣泄来取代她空虚的日子，结果导致她被怀疑为恐怖分子遭羁押而最后送往精神病院。;实际上，卡萝尔主观上有进精神病院的愿望。她渴望与其他病人一样成为一个名副其实的白痴，能够通过非常人的妄想来延伸自己的的幻想，逃避她原先日常生活的困惑。很快，卡萝尔在这里遇到了真正的疯狂，性格无法平衡的她在精神病康复的恐怖仪式中可以不再区分现实或幻想里的疯狂，她决定永久地留在精神病院。

　　Magdalena and Maria are two twin sisters who were separated at birth and know nothing of the other’s existence.  Maria runs away from the boarding school in which she was brought up and finds work as a cabaret performer in the cafés of Marseilles.  Magdalena lives with her adopted parents and works in an art gallery.  The two sisters are joined by an invisible bond which draws them towards the same tragic conclusion.　　Director Werner Schroeter has acquired a reputation as an experimentalist filmmaker, hailed by some as an underrated genius, reviled by others for being a peddler of self-indulgent kitsch.  Deux is arguably Schroeter’s most ambitious, unsettling and repulsive work to date.  The director certainly wastes no time in alienating his audience; from the first ten minutes of the film it is clear this is not going to be an easy ride.  The narrative cuts haphazardly between seemingly unconnected events, alternating between realism and stylised fantasy dream sequences, periodically shocking the spectator with graphic images of lesbian sex and a woman being slowly disembowelled.  Having several actors playing multiple parts only adds to the sense of artifice and utter confusion, which is a pity as there is manifestly a lot of great acting talent on show – not least of which is Isabelle Huppert.  The film’s sheer relentless grotesqueness and self-indulgence is so extreme, so unbridled, so stomach-churningly provocative, that it is hard to take any of it seriously.