Amélie, a 20-year-old girl, loses both her job as a waitress and her home. Without money, she tries to survive on the streets.

Young Zakari lives in a suburban housing project. He accidentally kills one of his friends and must flee, pursued by the "big brothers." His sister, Max-Laure, a drug addict, searches for drugs and then tries to find her brother. Meanwhile, Zakari's brother plays "red roulette ," a car race that involves running the most dangerous red lights.