A police brigade works 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. He falls in love with Shéhérazade, a young prostitute of whom he becomes the pimp without realizing it...
Captain Sara Bellaiche, from Toulouse Judiciary Police branch, is investigating a go-fast linked to the murder of two teenagers, an investigation led by Richard Cross, from the Paris Criminal Brigade. Forced to collaborate in order to find the murderer and stop the bloody go-fast, Sara and Richard are both thrown in a breathless race against the clock on the roads of Spain and France.
