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⋯⋯
Based on true events Little Secret is a film with three interlocked stories all connected by a single secret that converge to reveal the tragic yet beautiful lives of three families and how hope, dreams and destiny can unite people from very different parts of the world. Adopted at childhood by a loving family after facing the loss of her parents, Kat led a life full of adventures. Now in her teenage years she is trying to fit into a "normal" life, as the world shows her how cruel living can be. After discovering a secret which threatens her life, she wonders if her dreams are still possible. Heloisa is a dedicated mother who has been entrusted with the secret and will do everything to keep her family together; however, she knows that the future is unpredictable. Jeanne, a beautiful young Amazonian native, falls in love with Robert, a New Zealander, with whom he discovers that her possibilities are infinite, however she forgets that destiny has plans of its own. Barbara, an older ...
本片的故事发生在带有“人一个接一个消失”传说的公寓里，讲述了青年投递员丸子在每天出入公寓的过程中，偶然得知了可疑住户的“秘密”。以那一天为界，他被卷入了意想不到的大事件…
格雷斯（安妮特·贝宁 Annette Bening 饰）和丈夫爱德华（比尔·奈伊 Bill Nighy 饰）结婚已经二十九年之久了，在这几十年里，格雷斯一直非常庆幸自己选择了爱德华这样一个好男人来做自己的丈夫，然而，就在他们的第二十九个结婚纪念日即将到来之际，格雷斯突然被爱德华告知后者已经做好了离婚的打算，并且找到了下家。 这突如其来的婚姻变故让格雷斯的生活发生了翻天覆地的变化，爱德华想要离婚的心思坚定不移，格雷斯除了要面对自己心灵上的地震之外，还要处理琐碎的离婚事宜。在离开了丈夫之后，自己将如何一个人生存下去也成为了了格雷斯必须要面对的问题。
一次追尾车祸，让本来毫无瓜葛且地位悬殊的人联系到了一起。被追尾的穷司机王有财（潘斌龙 饰）还开着大奔的富二代李致远（小沈阳 饰）当街争吵，吵着吵着后者突然倒地不起。原来李患有先天性心脏病，他在危急时刻被王送到了医院。王的生活拮据，加上身患尿毒症，更让他的人生雪上加霜。这次车祸给了两个人生命的转机。李找到老王，希望出500万让老王同意器官移植，而早已被病痛折磨得痛不欲生的老王，也对此欣然同意。为了安排好身后事，他开始张罗着给老婆找未来的丈夫。 在相处的过程中，老王和小李这对难兄难弟增进了彼此的了解……
