Hélène is based in Berlin and her family life is fulfilled. But she sees her daily life disrupted when her daughter, a student in Paris, finds herself suspected of the murder of a rich heir. Back in Paris and helped by Vincent, a lawyer but also youthful love, Hélène does not suspect that soon, her certainties will waver... Does she really know her child? Hélène 常驻柏林，她的家庭生活很充实。但当她在巴黎读书的女儿发现自己涉嫌谋杀一位富有的继承人时，她的日常生活被打乱了。回到巴黎，在律师文森特的帮助下，又是年轻的爱情，Hélène 并不怀疑她的确定性很快就会动摇……她真的了解她的孩子吗？