Carter meets Toni and impulsively marry him to find that they disagree on everything. They separate and seven years later on the eve before their divorce they meet again and spend the night together.
害羞文静的法国少女芳妮参加学校的交换学生计划，来到德国住在同龄笔友蕾娜家。蕾娜冷酷又充满防备，语言是她们之间的一道墙，芳妮为卸下蕾娜心防，将烦恼与秘密告诉对方，两人因此拉近了距离。时间一天天过去，爱情不用翻译，反倒在语言的落差中滋长。这次，轮到蕾娜前往法国交换，暂住芳妮家的她，逐渐发现芳妮的秘密似乎另有蹊跷，但更糟糕的是，自己的感情已经越陷越深⋯⋯
