Since the death of his parents fourteen years ago, Billy Lynch has been raised by his over-protective aunt Cheryl. But once he turns seventeen, he is soon set on planning his life...without her. He's planing on going on to college and is dating local girl Julie. None of which sits well for his aunt, who's lost everyone else in her life and now with her nephew ready to leave, ensures she starts on a campaign to keep him with her...forever.But as her plans misfire she becomes swept up in a cycle of psychosis and frenzied violence all being blamed on Billy by everyone else...including a homophobic detective, who's anti-gay prejudice is steadily reaching its zenith...leading to an unforeseeable outcome.

Since the death of his parents fourteen years ago, Billy Lynch has been raised by his over-protective aunt Cheryl. But once he turns seventeen, he is soon set on planning his life...without her. He's planing on going on to college and is dating local girl Julie. None of which sits well for his aunt, who's lost everyone else in her life and now with her nephew ready to leave, ensures she starts on a campaign to keep him with her...forever.But as her plans misfire she becomes swept up in a cycle of psychosis and frenzied violence all being blamed on Billy by everyone else...including a homophobic detective, who's anti-gay prejudice is steadily reaching its zenith...leading to an unforeseeable outcome.

本部戏单论剧情而言相当的平凡……甚至是平庸：一对新婚夫妇在巴士上遭遇抢劫，丈夫藏钱被杀后歹徒逃离不知所踪，妻子伤心至极，后来却被人骗取钱财，再受闷棍之下，又被「好心人」带至家中想要做他的姘头。

本部戏单论剧情而言相当的平凡……甚至是平庸：一对新婚夫妇在巴士上遭遇抢劫，丈夫藏钱被杀后歹徒逃离不知所踪，妻子伤心至极，后来却被人骗取钱财，再受闷棍之下，又被「好心人」带至家中想要做他的姘头。

法国巴黎某处共享办公室内，一名神秘杀手（迈克尔·法斯宾德 Michael Fassbender 饰）正静待猎物的到来。他外表冷酷，沉默寡言，内心则絮絮不止，一遍又一遍重复着作为杀手的准则，仿佛这样才能使他有所凭依，内心安定。然而即便如此，他准备了数日的刺杀却以失败告终。失手之后，杀手按照既定的路线迅速撤离，并在上线的安排下躲到多米尼加的家中暂避风头。谁知才刚踏上自家院落，他就嗅出了危险气息。原来在此之前，早已有两名杀手踏足此地，并将杀手的妻子（索菲·夏洛特 Sophie Charlotte 饰）殴至重伤。杀手恼羞不已，他根据仅有的线索，一路追查幕后的指使和参与者。 　　一旦失手，万劫不复，此时此刻他有切身体会……

在本片中库布里克从几个不同人物的视角表现了一桩抢劫案：刚从监狱释放出来的乔尼·科雷，定下一个自以为天衣无缝的犯罪计划——从赛马场偷走200万美元，又不让任何人受伤。但他忽视了自己的同伙——贪婪泼辣的妻子和她那残忍的情夫。可想而知，行动越来越糟糕，罪行也越来越残暴……