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.

A former member of the Unit is locked up in a Bulgarian prison and Jonas and his team must go to help him escape in order to find one of the world's leading arms dealers. On the home front, the women meet a young man who hopes to be part of the unit someday. However, in order to get extra money to take care of her aging mother, Molly takes a one time recruiting job to hire the man away form the military. Needless to say, members of the Unit family are none to pleased at Molly's new job.

The Unit finds itself torn between saving an African dictator or innocent people when they are sent into a hospital as a hurricane hits.On the home front, Mack and Tiffy reconnect with each other.