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.