虚无飘渺

故事发生在充满了人文气息的古城罗马，马乌罗（米歇尔·皮寇利 Michel Piccoli 饰）和马尔达（阿努克·艾梅 Anouk Aimee 饰）是一对相依为命的兄妹，两人均是单身，而马尔达患有严重的抑郁症。眼看着妹妹日渐疯狂与憔悴，走投无路的马乌罗起了杀心，他利用自己的职务之便，找到了名为西亚宝拉（米歇尔·普拉西多 Michele Placido 饰）的杀人犯，他用无罪释放作为诱饵，将妹妹交到了西亚宝拉的手中，希望后者能够代替他落下屠刀。 　　让马乌罗没有想到的是，西亚宝拉不仅没有杀死马尔达，反而和她产生了一段浪漫情缘，马尔达也因此康复，重新成为了一名快乐的女人。看着妹妹和西亚宝拉出双入对，深深的孤独令马乌罗陷入了绝望之中。Mauro, a judge, is worried about his older sister Marta, who took care of him since he was a boy, and is now affected by psychic problems and suicide fantasies. She seems to recover from her depression when Mauro acquaints her with Giovanni, a brilliant actor at the edge of legality. Mauro become unconsciously jealous of this relationship, and try to get Giovanni arrested...