应圣菲阿克伯爵夫人的要求，警察局长朱尔斯·迈格雷特回到了他度过童年的小村庄，她收到了一封令人不安的匿名信。

一个普通职员在导师引导下睡女人搞关系步步高升的故事,小职员JLT某天午休突发奇想搭讪成功Jane Birkin后决心在卡索爹这幕后军师指引下转行做种马并靠床戏爬入上流社会当了高级掮客？一系列的大冒险倒和意法性喜剧路线完全不同就蛮dry的很适合他演，卡司强大到惊人.

Denis, a poor student in philosophy, works as a night porter in the Paris market of Les Halles in order to pay for his studies. Constantly weary, he falls asleep and dreams of a beautiful girl in white, Irène, with whom he falls in love.