Catherine, a young prostitute living in Paris, decides to incorporate herself after learning the basics of big business from her clients. She encounters both interest and setbacks in her search for investors.
尼古拉（让-保罗·贝尔蒙多 Jean Paul Belmondo 饰）的妻子夏洛特（玛莲妮·乔伯特 Marlène Jobert 饰）屡次遭到男爵的骚扰，一怒之下，尼古拉将男爵杀死，不得已踏上了逃亡的旅途。在美国，聪慧机敏的尼古拉深受上司的喜爱，后者将女儿玛格丽特许配给他，而尼古拉的上一段婚姻却在婚礼当日东窗事发。
之后，上司将尼古拉派往时局动荡的法国销售小麦，由于系雪中送炭，尼古拉颇受当地人的欢迎和爱戴。在法国，尼古拉意外得知了夏洛特的下落，决定就此踏上寻妻之旅。途中，尼古拉救出了盖朗德侯爵的妹妹宝林（劳拉·安托妮莉 Laura Antonelli 饰），并最终见到了妻子。然而，夏洛特早已经陷入了同盖朗德伯爵的情网之中无法自拔，就在此时，宝林竟然也提出非尼古拉不嫁，四人之间的关系变得复杂起来。
Mario (Tognazzi), a rich and eccentric war hero befriends Marco (Dewaere), a loner with a sailboat and takes him home to meet his estranged wife Cleofe (Lia Tanzi Gabriella) and sexually repressed sister in law Matilde (Muti). Mario confesses his love for Matilde and so ensues a love triangle.
Franck Poupart is a slightly neurotic door-to-door salesman in a sinister part of Paris' suburbs. He meets Mona, a teenager, who's been made a prostitute by her own aunt. Franck would like to change his life and also save Mona from her aunt. Murder is the only solution he finds to achieve his goal... A very gloomy movie, exuding dispair and uneasiness, with pathetic characters....
