Eric O’ Neill (Ryan Phillippe) is a immature FBI employee delegate to work undercover as a clerk to Henry M. Robert Hanssen (Chris Peter Cooper), a senior agent he is state is suspect of be a sexual pervert. Hanssen has be remember from a item station at the province section to FBI central office apparently to head up a new division specialize in info self-assurance. Initially, Hanssen insist on a rigorous formalities between the two men.