The attacks of September 11, 2001 were the deadliest ever perpetrated in the world. Their impact was colossal in the United States, but also throughout the world. Until then, no documentary had focused on its repercussions on French society, on French people. And yet, if the shock wave started in the Manhattan towers, it also hit France from a distance with unprecedented violence. A look back at the facts, but also at the impact of this disaster on the French people thanks to testimonies and unpublished archives.