The Unit enters the SERE (Survival, Evasion, Resistance Escape) training course and they are lead to believe that they will be guards. The group is soon shocked to discover that they are actually the POWs for an undetermined amount of time.

The team is sent to Pakistan to help an undercover operative foil a terrorist attack on many cities.

On the home front, Molly and Tiffy help one of Tiffy's former students and Kim and Bob welcome a new addition to their family.

The mission is to take control of a South Korean submarine to assist in the defection of a North Korean Scientist. The team find themselves confronted by several roadblocks. On the submarine, the South Korean Captain does not want to take orders from Jonas. On the home front, Kim has a dream that shares many similarities to the current mission. Ryan thinks that Bob told Kim about the mission and threatens to scrap the mission and wants to fire Bob.

Jonas works out a plan and the team reunites to clear their reputation. Kim is working behind the scenes to keep the CIA away from the other wives.

Charles goes undercover among gang members from his old neighborhood when it's discovered that they've been stealing explosives and weapons. Meanwhile, Tiffy gets hurt at work and Mack goes after her attackers.

The team follows a scientist who may have been targeted by terrorists, hoping to link those same terrorists to a presidential assassination plot.

The team's attempts to raid an anthrax lab are thwarted by an official from the Department of Defense (Michael McKean), who believes his high-tech intelligence is superior to field logic.