Angry and depressed over losing his job, accountant Terry Allen begins to suspect his new neighbor, a single Islamic grad student with a penchant for unexplained late night activities, is at the center of a terrorist conspiracy. Although both Terry's wife and the FBI agent to whom he reports his suspicions are skeptical about his fears, Terry becomes increasingly obsessed with uncovering the man's true identity. Convinced he's all that stands between this Middle-Eastern stranger and a deadly terror attack, Terry finally decides to take matters into his own hands ? with shocking results.