Rachid, an officer in the disaster victim identification unit (UPIVC), is called to the scene of an unprecedented pile-up in Le Havre. A car has violently crashed into a tourist bus. The toll: around fifty dead. He is joined by Commissioner Rosen, who is investigating a gang of robbers known as the “100 visages” (1000 Faces), notorious for their makeup and theatrical performances.
When they discover that the driver was not the owner of the vehicle that caused the accident, the mystery deepens.