"What causes terrorism? After his fiancee dies on 9/11, the question plagues Aaron Goodman. It makes him give up his career a a doctor to become an interrogator at Guantanamo Bay. It leads him to meme theory, as he wonders if there could be a cold science behind the conversion of people into suicide bombers. And ultimately, it brings him to Ahmed, a Gitmo prisoner who promises the answers to all of Aaron's questions."