一个陌生人闯入了一对夫妇的生活。他自称因为掌握国家机密而遭到迫害,刚刚逃出来;报纸上说他是一个疯子…… 丈夫决定帮助他逃脱…… 这个人到底是在撒谎,还是……A stranger enters into and forever alters the life of a couple. He claims to be pursued by certain authorities who intend to prevent him from disclosing a secret that only he holds, whence the title. Is he lying, or insane - or is he telling the truth? Who, if anyone, is after him? And what *is* - the secret?
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