二战后的巴黎。一个得了健忘症的男人被好心的私家侦探于特收留，获得了新的身份：居依•罗朗。罗朗为于特当了八年助理侦探，在于特退休之际，决定揭开自己的经历与身世之谜。在采访各种人物、搜集线索之后，他开始怀疑自己曾经拥有多重身份。他真的是一张照片上的那个年轻人，被许多人指认的那个南美外交官？他的记忆也许是在逃离德占区时丧失的？ 在这部独特、优雅的小说中，帕特里克•莫迪亚诺塑造了一个寻找自己身份的男人。他神秘的过去被掩藏在德占时期的巴黎，那是法兰西记忆的黑洞……

The baby is dead. It only took a few seconds. When Myriam, a French-Moroccan lawyer, decides to return to work after having children, she and her husband look for the perfect caretaker for their two young children. They never dreamed they would find Louise: a quiet, polite and devoted woman who sings to their children, cleans the family's chic apartment in Paris's upscale tenth arrondissement, stays late without complaint and is able to host enviable birthday parties. The couple and nanny become more dependent on each other. But as jealousy, resentment and suspicions increase, Myriam and Paul's idyllic tableau is shattered...