After her mother’s death, Mona Achache discovers thousands of photos, letters and recordings, but these buried secrets make her disappearance even more of an enigma. Through the power of filmmaking and the beauty of incarnation, she brings her mother back to life to retrace her journey and find out who she really was.

影片改编自法国历史上的著名冤案“德莱弗斯案件”。1894年，法国犹太裔上尉阿尔弗雷德·德莱弗斯(加瑞尔饰)被错判为德国间谍，被判处叛国罪。