On August 29, 2005, Hurricane Katrina, the most violent storm in the history of the United States, ravages New Orleans. The city’s entire population is displaced. In the land of opportunity, the disaster seems to provide an opportunity for a city’s rebirth on a fairer basis. But against all expectations and despite the Obama presidency, the Crescent City turns into a ground zero for imposing economic shock therapy, intensifying drastically the economic, social and racial inequalities that existed before. This is the portrait of a city that became the US laboratory and reveals the divisions of a whole country.