A deserted Russian bunker - Col. Marks and Structural Engineer Captain Fitzharold (Fitz) survey the site for a potential new clinic. But the clinic is not as safe as originally thought and they accidentally trigger an unexploded ordinance. Col. Marks finds himself with minor injuries, but Fitz has been impaled on a piece of rebar. Fitz and Col. Marks are rushed to the Role 3 where Major Rebecca Gordon has been in charge of triage in Col. Marks' absence. Because of a previous group of injured, their supplies are low, and the operation to save Fitz will use their last resources. It seems possible, until an ambushed Afghan family is brought to their Trauma Bay. Following the rules of combat triage, Rebecca has to choose - the family or Fitz -- who is to go to the O.R. and live and who has to wait, which means certain death. Bobby starts anger management treatment with Pedersen, even though he denies he has a problem. But babysitting Aref threatens Bobby's cool and he's forced to face a ...