For years now, Chief inspector Gustave Picard has been trying to bring down Salviati, the dreadful leader of a drug-selling gang. Lucienne Préville, an informer who works for him, has infiltrated the gang but her position is dangerous. On the other hand, Scoppa, Salviati's former right-hand man, has started challenging his former boss. Will Salviati, the brutal public enemy, clear off at last?
DIRECTOR
CAST

Charles Vanel
Salviati

Alice Field
Sylvia

Pierre Larquey
Commissioner Gustave Picard

Jean-Louis Barrault
Scoppa