夏洛特瞒着米卡，和梅洛迪有了外遇。而讽刺的是，米卡也有外遇，而那个人正是梅洛迪。对于，梅洛迪来说，这样的情形有些让她头晕。她同时欺骗了一对情侣！这对情侣又恰如其分地互相在演戏。这三人两两的爱情故事会兜兜转转成如何呢？米查和夏洛特是一对夫妇，他们最近在里尔附近买了一套房子。在过去的几个月里，两人慢慢疏远，夏洛特开始和他们共同的律师朋友梅洛迪欺骗米查。夏洛特不知道的是，米查也开始和同一个人梅洛迪欺骗她。梅洛迪最终爱上了他们两人，同时她也成为了米莎和夏洛特的秘密情人。法国里尔。一对生活在关系紧张时期的年轻夫妇和他们的一位长期朋友之间的风流韵事，但她无法决定她最喜欢哪一个。

Jonas, a 40 something Parisian, is still desperately in love with his ex-girlfriend Léa. When he knocks on her door to confess his feelings and she turns him down, he ends up at the café downstairs.　　Inspiration strikes and he sits down to write her a long love letter, dodging everything he was supposed to do that day. What begins as a last attempt to get her back surprisingly turns into a vivid musing on the state of his life.　　Over the course of a day, helped by a wisecracking bartender and an array of patrons from the neighborhood, Jonas has to face his past relationships, his uncertain future and, most of all, himself.

夏洛特瞒着米卡，和梅洛迪有了外遇。而讽刺的是，米卡也有外遇，而那个人正是梅洛迪。对于，梅洛迪来说，这样的情形有些让她头晕。她同时欺骗了一对情侣！这对情侣又恰如其分地互相在演戏。这三人两两的爱情故事会兜兜转转成如何呢？