玛利亚（朱丽叶·比诺什 Juliette Binoche 饰）是一名十分出色的演员，凭借“西格德”这一角色一举成名。在剧中，西格德野心勃勃，全身上下充满了致命的吸引力，她的行为直接导致了名为海琳娜的角色的自杀，是一出惊为天人的悲剧。 如今，玛利亚已经四十多岁了，命运让她再度站在了舞台之上，只是，这一次，她不再是性感致命的西格德，而变成了悲剧的化身海琳娜。饰演西格德的是一位名叫艾莉丝（科洛·格蕾斯·莫瑞兹 Chloe Grace Moretz 饰）的新生代演员，她的个性狂放不羁，常常惹是生非，饱受非议。在入戏的过程中，玛利亚在艾莉丝的身上看到了曾经的自己，引发了她深深的思考。
At the peak of her international career, Maria Enders is asked to perform in a revival of the play that made her famous twenty years ago. But back then she played the role of Sigrid, an alluring young girl who disarms and eventually drives her boss Helena to suicide. Now she is being asked to step into the other role, that of the older Helena. She departs with her assistant to rehearse in Sils Maria; a remote region of the Alps. A young Hollywood starlet with a penchant for scandal is to take on the role of Sigrid, and Maria finds herself on the other side of the mirror, face to face with an ambiguously charming woman who is, in essence, an unsettling reflection of herself.
双生：岁月中的女性肖像。女性，太女性的。一切皆镜像和隐喻。诠释与解读的彼岸。《锡尔斯玛利亚》——自由是对时间的超越，对内在的呼唤。。交流需要对等的心态。流。接受自身的弱势是一种成熟的表现 ——电影《锡尔斯玛利亚》告诉我们的。如果女人不害怕衰老，那害怕什么？。幸好结局你没有死，也不想知道Val去了哪里。
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