The January 2015 terror attack in Paris began as an assault on free speech but soon spread into a three day siege that would horrify a city, traumatize a nation, and send shockwaves around the world. Follow the attacks against the famous satirical magazine Charlie Hebdo, the police, and a local grocery store and the countrywide manhunt that followed. It's a story told through the powerful testimonies of those who were there and lived to tell about it.