Major Benson Winifred Payne is being discharged from the Marines. Payne is a killin' machine, but the wars of the world are no longer fought on the battlefield. A career Marine, he has no idea what to do as a civilian, so his commander finds him a job - commanding officer of a local school's JROTC program, a bunch of ragtag losers with no hope.
Eric O'Neill, a computer specialist who wants to be made an agent is assigned to clerk for Robert Hanssen, a senior agent with 25 years in the FBI, and to write down everything Hanssen does. O'Neill's told it's an investigation of Hanssen's sexual habits, however Hanssen is really suspected of spying for the Soviet Union and Russia for years and being responsible for the deaths of agents working for the United States.