Jonas, Mack and Grey have their hands full keeping a pop diva safe from harm while Bob and a Justice Department escort face extreme danger as they return a prisoner to his own country to face his execution.

Jonas and Williams perform emergency battlefield surgery on Grey in an effort to keep him alive after he is critically injured during a mission...then must endure the teams's most devastating loss.

Jonas seeks revenge for the murder of his fallen colleague, Brown deals with a rescued journalist to be sure he doesn't betray them, and the team copes with William's death.