Discover the never-before-told stories of eyewitnesses, including amateur and professional photographers, caught in the horror of the World Trade Center tragedy.

Declassified photos and documents, never-before-heard stories from first responders, and interviews with key political and media figures offer a new perspective on 9/11 fifteen years later.

Best-selling author Brad Meltzer unravels the mystery behind the American flag that disappeared after it was raised over Ground Zero and captured in an iconic photograph.

Focusing on one floor in the North Tower and one floor in the South, this film will provide a never-before-achieved intimacy with what it was really like to be inside the Twin Towers on 9/11.