工程师詹宁斯(本·阿弗莱克 Ben Affleck饰)是个高科技天才。他屡屡受聘于各种项目研究,获得丰厚酬劳,但为了高度保密,条件是完工后他必须被删掉大脑中的短期记忆。此次詹宁斯的任务报酬达到了天价,而他必须花费长达几年的时间投身于这个新产品研发。 当产品完工后,令人意外的事情发生了。詹宁斯竟然没有得到承诺的报酬,取而代之的是一个信封,里面装着一封他自愿放弃酬劳的声明。 詹宁斯大为惊讶,当他要查个水落石出时,却发觉麻烦惹得越来越大了。联邦调查局和公司的老板都对他穷追不舍,要把他置于死地。这一系列神秘的事件,更让詹宁斯相信,背后肯定有着不为人知的真相。果然,一场周密的阴谋随着他的追查渐渐浮出水面。Michael Jennings is a reverse engineer and what he does is technical jobs for certain companies and as soon as he is done, his memory of the work he has done is wiped out. Now the longest he has been contracted is 2 months. But now billionaire, James Rethrick offers him a job that would last 2 years, maybe 3, and he promises that he will probably earn 8 figures. Michael agrees. Before beginning he turns in all of his personal effects. And when the job is done, his memory is erased and he learns he made over 90 million dollars over the three years. When he goes to claim it and his personal effects, he discovers that prior to the erasure of his memory he waived his rights to the money he earned and that the items that were given to him were not the ones he gave when he began. Later he is arrested by the FBI who say that he committed some act of treason and murder. It's while he is in custody that he escapes using some the items that he was given. He later meets with a friend who gives him some information that helps him understand what is going on. And at the same time Rethrick for some reason wants him so he is being pursued by Rethrick's people.