Cpl. Parr shoots at an intruder, who he believes shot at him first, at the United States Embassy in Lima, Peru. The intruder, an unarmed 15-year-old teen, is killed. But he wasn't just any boy. He was the brother of Cpl. Parr's girlfriend who (according to her) is pregnant. Harm and Meg are tasked to determine if the teenager was, in fact, unarmed, or if this was an attempt to kill the am