When a soldier in Afghanistan kills his commanding officer, Judge Advocates Capt. John “Abe” Abraham and Capt. Maya Dobbins are assigned to the case as prosecution and defense lawyers by their commanding officer, Col. Glenn Turnbull.

Captains John Abraham and Maya Dobbins head to a war zone when they are assigned to opposite sides of the courtroom in the case of Marine charged with abandoning his post during combat, resulting in the deaths of three soldiers. Also, Major Trey Ferry must iron out a diplomatic spat, and Lt. Harper Li works to balance her duties to the Corps with planning her wedding.