马丁（利亚姆·尼森饰）博士在去柏林参加研讨会的时候出了车祸，等他醒来后发现妻子伊丽莎白（詹纽瑞·琼斯饰）不认得自己，甚至有另一个马丁2号（艾丹·奎因饰）用自己的身份生活，这个假冒自己的男人仿佛用邪恶的手段隐藏真相。马丁向当地警察报警，但是警察对他的话将信将疑，没有人愿意相信马丁所说的奇怪事情，马丁不仅仅要证明自己的身份，还被杀手追杀
在异国他乡的马丁陷入绝望，他能依靠的只有自己了，马丁意外与到了吉娜（黛安·克鲁格饰）和马丁处在同样的境地，马丁只能试图从吉娜那里获得帮助。马丁的遭遇让他不禁思考自己的心智是否健全，自己的身份是否是自己一直坚持的那样。马丁决定要调查这个神秘事件，一场无助的逃亡之旅开始了。
Dr. Martin (played by Liam Neeson) had a car accident when he went to Berlin to attend a seminar. When he woke up, he found his wife Elizabeth (played by Liam Neeson) January Jones) doesn't recognize himself, and there's even another Martin 2 (Aidan Quinn) who lives with his identity, a man who pretends to be using nefarious means to hide the truth. Martin called the local police, but the police were skeptical of his words. No one was willing to believe the strange things Martin said. Martin not only had to prove his identity, but was also hunted down by killers
In a foreign country, Martin fell into despair. Ruger) is in the same situation as Martin, who can only try to get help from Gina. What happened to Martin made him wonder whether his mind was sound and whether his identity was what he had always insisted on. Martin decided to investigate this mysterious incident, and a helpless escape journey began.
紧张刺激：《不明身份》以其紧凑而扣人心弦的剧情而闻名。连姆·尼森的出色表演带来了令人屏息的紧张氛围，从头到尾保持了观众的兴奋感。电影的剧情发展紧凑，充满了意想不到的转折和惊喜，让观众难以预测故事的走向。
强大的演技：这部电影的演员阵容实力派云集。连姆·尼森展现了他出色的行动片实力，而黛安·克鲁格也给观众带来了令人印象深刻的表演。他们的角色刻画鲜明而逼真，让人真切地感受到他们的情感和动机。詹纽瑞·琼斯和弗兰克·兰格拉也在配角中展现出了出色的演技。
精心构建的悬疑：《不明身份》通过巧妙的剧情构建和跌宕起伏的情节，成功地营造出一种令人紧张的悬疑氛围。电影在展示主角的内心挣扎和追求真相的过程中，带给观众层层递进的谜团。每个场景都充满了不确定性和紧张感，让人猜测着真相的真正面貌。
评分：8/10
总结来说，《不明身份》是一部令人紧张刺激的惊悚片，具有紧凑的剧情、出色的演技和精心构建的悬疑。观众将被带入一个充满不确定性和惊喜的故事中，一直保持着紧张的氛围。如果你喜欢扣人心弦的电影，并对悬疑情节感兴趣，那么这部电影绝对不容错过。
