During the First World War, the Empyrée Montmartre, a Paris music-hall, is dedicated to patriotic revues whose star is the charming Mitsou. The young artist is not without talent but she is mainly well-connected. She is indeed the cherished mistress of Pierre Duroy-Lelong, a rich industrialist. One night, thanks to Petite-Chose, an ebullient singer-dancer and her co-star, she gets to know a handsome army, Lieutenant Bleu. Mitsou falls madly in love with him and Lieutenant Bleu is physically attracted to her. The trouble is that Bleu comes from a distinguished family and cannot put up with her lack of culture and artistic bad taste...

达达尼昂（乔治·马沙尔 Georges Marchal 饰）是一名年轻有为的青年，告别了故乡的亲人，他只身一人前往巴黎，希望能够在那里闯出一番属于自己的事业。在一场意外中，达达尼昂和名为阿多斯、波尔多斯以及阿拉米的三名火枪手产生了冲突，四人不打不相识，最终成为了好友，达达尼昂也下定决心想要和他们一样加入火枪队。
当朝皇后因为贪恋同白金汉公爵的旧情，而降国王送给自己的一套钻石别针送给了对方，哪知道这一举一动都被企图谋权篡位的红衣主教看在眼里。在红衣主教的怂恿之下，国王决定举办盛大的舞会，并且要求皇后佩戴别针出席，那边厢，红衣主教命人从白金汉公爵处偷得了别针，藏了起来。焦急的皇后向心腹康丝坦斯（伊冯娜·桑松 Yvonne Sanson 饰）求援，而康丝坦斯则将这一任务交给了达达尼昂一行人。

1947 film by Jean-Pierre Melville