As a vicious drug dealer tries to overtake Marseille, a rogue police captain and his daredevil team welcome a new recruit with an agenda of her own.

A police brigade working in the dangerous northern neighborhoods of Marseille, where the level of crime is higher than anywhere else in France.

Zachary, 17 years old, gets out of jail. Rejected by his mother, he hangs out in the mean streets of Marseille. This is where he meets Shéhérazade.