A gang of six wealthy, well-dressed and well-spoken hoodlums break into a married couple's house and rape the wife while forcing the husband to watch. Thus begins a dogged investigation by a determined detective who quickly finds that their cult-like solidarity can be a serious obstacle to breaking them.
Vicky de Berlin, a female gangster, haunted by wartime memories , runs a floating night-club in Brussel. Marcel, her partner and lover, is in charge of the banknotes forgery manufacture concealed in the bottom of the boat. He decides to rob the Bank of Belgium and exchange a huge sum of counterfeit money for its equivalent in genuine one. But things get complicated when Yoko, the she leader of another gang and her lover The Bug interfere...