In the years leading up to the September 11 attacks, FBI special agent John O'Neill became increasingly obsessed with the growing threat of Al-Qaeda. Despite his warnings, O'Neill faced internal resistance and skepticism from his superiors at the FBI, who viewed him as a maverick and were reluctant to prioritize his counterterrorism efforts. This documentary explores the internal power struggles and missed opportunities within the FBI that ultimately left the United States vulnerable to the catastrophic events of 2001.