An Assassin Passes By

Two policemen, Franck and Rupert, intervene in a Parisian heliport where drugs are exchanged for a large sum of money. They decide to keep the loot and find themselves fighting with the mafia.

Everything starts when a journalist François decides to investigate the world of working class people. He gets into the lives of Claude, a worker and his wife Lily who has left him.

Paris Flic and computer-crack David Ackermann is a teacher at the academy advising the rookies in computer-crime. By coincidence Informations about personalities from the high-politics and police-authorities that are involved in organized crime fall into his hands. From than on he's been chased merciless, even having his ex-wife kidnapped to blackmail him. With the help from his new girlfriend he lashes back.

In Provence, a young woman is found naked and hanged. Inspectors Pignon and Melville lead the investigation. After an initial arrest, they quickly realize that the case is more sinister than it seems.