Omar, an unstable and lonely teenager, lives in a slum in the suburbs of Mostaganem, Algeria. He is addicted to a famous psychotropic, nicknamed “Madame Courage”: Artane tablets, very popular among young Algerians, for their euphoric effect of invincibility. Omar is an expert thief. One morning, he goes downtown to commit his usual crimes. His first prey is a young girl called Selma, walking with her friends, prominently wearing a gold necklace. As he commits his larceny, their eyes meet.
In 1987, five young men, using brutally honest rhymes and hardcore beats, put their frustration and anger about life in the most dangerous place in America into the most powerful weapon they had: their music.
An extremely wealthy elderly man dying from cancer undergoes a radical medical procedure that transfers his consciousness to the body of a healthy young man but everything may not be as good as it seems when he starts to uncover the mystery of the body's origins and the secret organization that will kill to keep its secrets.
Nicky, a veteran con artist, takes a novice named Jess under his wing. While Nicky teaches Jess the tricks of the trade, the pair become romantically involved; but, when Jess gets uncomfortably close, Nicky ends their relationship.