Lucky Jo and his three friends are little criminals, who try to live from small burglaries. But they never have luck - ever so often something inpredictable happens to Jo and gets one of them arrested. While Jo is in prison once again, they decide they'd better do without him in future. He decides to help them secretly...and unfortunately.

Josepha is on the verge eighteen living with her drunken washed up actor uncle. She longs for the companionship of a group of her mo-ped riding peers who dabble in activities on the shady side of a legal dividing line. In order to get the semi-delinquent group to accept her, Josepha runs to the police with a tall tale about the local druggist, Savary. The police are looking for a sex murderer, and Josepha insists Savary is their man. What she does not know, however, can do her considerable damage.

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...

Jean-Luc, a character based on a novel, experiences persecution in this drama film.