McNulty discovers that a captured Navy Seal could be alive and he and JT are set to save the man. However, they soon face resistance from the Pentagon and might have to do what is known as a "backdoor" mission to save the soldier. Also, more about McNulty's mysterious past is revealed during this endeavor.
Jim Tisnewski and Colonel McNulty lead the force as the Pentagon intelligence deals with conflicts at home as well as abroad.
As viewers witness the decisions and execution of these decisions, often crises that are life-and-passing situations, the staff works for the safety and security of mankind as well as each other.