The Code Show Summary, Upcoming Episodes and TV Guide

Abe's colleagues must defend – and reluctantly prosecute – him when he is arrested and court-martialed for mutiny in regard to a 2010 mission in Afghanistan where he was one of the only survivors.

When a Marine is accused of helping a terrorist escape from Guantanamo Bay, Abe and Harper believe that they have an open-and-shut case until they are mysteriously denied access to key evidence without explanation. Also, Trey and Maya attempt to get Rami reassigned back to their office.

Abe and Harper travel to Afghanistan to investigate when an Afghan commander is killed on a U.S. base. When a Marine is accused of the crime, Trey and Maya join their colleagues to defend him in an on-base hearing. Also, Col. Turnbull and her husband, Asa, disagree about how to handle their son Adam's physical therapy.

Abe and Harper try to track down a website owner who is inciting violence by having Marines confront and expose civilians who are publicly pretending to serve in the Corps. Also, Abe's relationship with Alex becomes more complicated; Rami faces a crisis of conscience when he and his wife, Nazil, go for their citizenship test; and Col. Turnbull anxiously awaits word on her son's status after she approves an overseas airstrike.

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.

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.