现就职于纽约的邮局职工雅各布·辛格（蒂姆·罗宾斯 Tim Robbins 饰），曾是在越战中险象环生的退伍老兵。不堪回首的破碎记忆时刻刺痛着他的每一根神经，失败的第一次婚姻，夭折死去的儿子，以及折磨他最深的越战后遗症。他常常出现在越战服役期间被追杀的幻觉，熟悉又陌生 的种种细节，亦幻亦真。他的现任妻子试图帮助雅各布忘却这段痛苦的记忆，然而这些穿梭在梦境和现实里的情节遭遇，让雅各布彻底失去了理智。每当生死攸关的时刻，雅各布总会在另外一个时空醒来。孰真孰假的错觉，让他游离在现实和幻想的世界中不能自拔。New York postal worker Jacob Singer is trying to keep his frayed life from unraveling. His days are increasingly being invaded by flashbacks to his first marriage, his now-dead son, and his tour of duty in Vietnam. Although his new wife tries to help Jacob keep his grip on sanity, the line between reality and delusion is steadily growing more and more uncertain.