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.

Jonas and Bob watch from the outside as Grey gathers information on gang members he knows from his past who are stealing weapons and deadly explosives that could wind up in the wrong hands.