Things go wrong when Jonas and Mack go undercover in an attempt to find the terrorists who killed the vice president.
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.
Jonas and the team carry out an assassination of a terrorist in Spain. However, they soon find out that the government called off the mission and will now not protect them in the country which means their only hope is to escape. Back at the base, Molly learns that her daughter Betsy wants to drop out of college and Kim thinks about taking a college course herself.moreless
Bob and Hector head to New Guinea to retrieve a black box from an Army aircraft that was shot down. The wreckage is located on sacred grounds and they need to permission of the local tribes to retrieve the item. They both must face their own battles to gain the acceptance of the tribe in order to succeed with the mission.
On the home front, Crystal tells a reporter about Mack to get even with him for rejecting her. This action endangers the entire team as well as the National Security of the country. Mack must enlist the aid of the other Unit members to neutralize this threat.