Jean-Stéphane Sauvaire continues to take stock of the violence the most extreme. With Black Flies, he plunges into the dark depths of New York, his adopted city.

To get there, you have to follow the ambulances of emergency nurses, driving with sirens blaring and flashing lights on in the night. On board one of them, Gene Rutkovsky (Sean Penn), a battered old veteran, haunted by what he went through on September 11, and Ollie Cross (Tye… This article is reserved for subscribers. You have 71% left to discover.