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.

Major Ferry and Lt. Li are assigned to find out who leaked information about a Marine who was set to become the Corps’ first female Infantry Captain, which may have led to her attack. Also, Capt. Abraham is approached by his best friend’s widow, Alex, who is considering suing the Corps for her husband’s wrongful death and may ask him to testify.

When a dying Marine confesses his involvement in covering up the murder of an Iraqi civilian more than a decade ago, Abe and Trey are assigned to prosecute the accused killer - a sitting U.S. congressman. Also, Maya helps her brother prepare for his state senate race.

When two Marines are accidentally killed in a weapons test, Abe and Harper square off against Trey as prosecution and defense for the soldier who is accused of tampering with the system. Also, Abe helps out his best friend's widow, Alex, and Col. Turnbull gives Maya an important assignment.