突发的心脏病让舞蹈演员皮埃尔(罗曼·杜里斯 Romain Duris 饰)不得不离开了热爱的舞台,除了失业所带来的沉重打击外,他的生命安全还时时受到病魔的威胁。爱丽丝(朱丽叶·比诺什 Juliette Binoche 饰)是皮埃尔的姐姐,为了成为一名合格的单身母亲,她不惜屡屡拒绝来自他人的求爱,即使对方是令她动心的好男人。 巴黎,一座繁华而又落寞的城市,除了皮埃尔和爱丽丝,每分每秒,还有无数的人们在那里找到和遗失自己的希望和梦想。苦苦暗恋自己学生的教授,突然陷入中年危机的建筑师,甚至是整天絮絮叨叨的老板娘,每一个人都曾经有过一段五味俱全的传奇故事。当这些故事在这座城市里发生交汇的时候,他们开始相信,幸福终将在某一天敲响自己的房门。Pierre, a professional dancer, suffers from a serious heart disease. While he is waiting for a transplant which may (or may not) save his life, he has nothing better to do than look at the people around him, from the balcony of his Paris apartment. When Elise, his sister with three kids and no husband, moves in to his place to care for him, Pierre does not change his new habits. And instead of dancing himself, it is Paris and the Parisians who dance before his eyes.