The Unit is sent to Los Angeles to protect Mexico's drug minister who has been threatened with assassination and soon his wife and sons are kidnapped. At the base, a former Unit wife makes a return appearance in the hopes of luring the Unit members away. Tiffy is upset when Ryan orders Mack to take time off.

The Unit ends up detaining a former Yugoslav general who was wanted for war crimes and then allows lets the U.N. take credit for their capture. However, the criminal soon escapes U.N. custody and he is now seeking retaliation against Jonas for capturing him. Meanwhile at the base, Tiffy is convinced that Mack has decided to re-up with the Unit and she's thinking of divorcing him, and Kim is the recipient of some disturbing news.

Jonas and Bob, on personal time, rescues a young girl from a cult leader as a favor to an old friend. Tiffy covers for Charlotte and finds herself in a lot of trouble.

The Unit is sent to Pakistan to retrieve three suspected terrorists when they run into trouble with the local forces. They find a U.S. base with a small force of troops that do not respect their commanding officer. Jonas takes control of the combined group and prepares them for the impending attacks.

The Unit is back together and ready to take on their next assignment when a bomb filled with a nerve agent stolen from a nearby base is discovered to be on its way to their home.

On the home front, Jonas and Molly make plans to spend time together, Mack is ordered to move out of his home, and Kim proposes a new show for the station but ends up handling a crisis.

In Montenegro, Bob has a moral dilemma when he disagrees with the team's mission.

Tiffy discovers some information about Molly's past and decides to look into it further.