天罗地网隐秘无形，捕捉真相难逃其外，万千秘密尽在其中。谨慎勇者

　　Six months before his retirement from the criminal police, inspector Joss finds his colleague Gouvion dead, in a poorly faked suicide attempt. Joss loses his temper, and investigates on his own, which leads him through the bas-fond of Paris.