Detective Joe Fontana transfers to the 27th precinct, a stylish veteran uneasily paired with Detective Green when a former female Guardsman from the second Gulf War is found murdered -- and evidence points to the vengeful Iraqi sister of an ex-inmate at infamous Abu Ghraib prison. However, when D.A.s McCoy and Southerlyn begin to prosecute, they discover that the suspect's lawyer boldly plans to defend his client as an "enemy soldier" -- subject only to the terms of the Geneva Convention.