Franck Poupart is a slightly neurotic door-to-door salesman in a sinister part of Paris' suburbs       He meets Mona, a teenager, who's been made a prostitute by her own aunt       Franck would like to change his life and also save Mona from her aunt       Murder is the only solution he finds to achieve his goal                   A very gloomy movie, exuding dispair and uneasiness, with pathetic characters