In Paris XVIIIth district, Lambert works the night shift at a gas station, rarely speaking, living alone, drinking. One day comes a half-jewish half-arab small-time crook in dire straits, pushing…

A Paris police detective (Richard Berry) plays rough with a prostitute (Nathalie Baye) and her pimp/lover (Philippe Léotard), whom he wants as an informant.

In the north of France, the life of a nice family of marginalized.

When the young detective Paul Nerteaux finds the third slashed female corpse of illegal Turkish immigrants, he decides to ask for support to the experienced dark retired detective Jean-Louis Schiffer…