This series provides a comprehensive overview of the events of September 11, 2001, including the hijackings, the attacks on the World Trade Center and the Pentagon, and the heroic actions of the passengers on United Flight 93. It delves into the aftermath of 9/11, exploring the shift in national security policies, such as the creation of the Department of Homeland Security and increased surveillance measures. The series also focuses on the United States' response to 9/11 through the War in Afghanistan and the controversial decision to invade Iraq. Lastly, it reflects on the lasting impact of 9/11 and the War on Terror, including the erosion of civil liberties and ongoing conflicts in the Middle East.