Gentleman gangster Max and his partner, Riton, pull off their last, most successful heist and find themselves comfortable enough to retire in the style they enjoy. However, Max confides the details of the theft to his younger mistress, Josey -- who has secretly taken up with ambitious young rival gangster Angelo. Angelo then has Riton kidnapped and demands the stash of gold as ransom, which threatens Max's dreams of the perfect retirement.

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...

Armand Varescot, a rich and tyrannical old man, is killed by his young and pretty secretary, Caroline, while he was trying to abuse her. To avoid scandal, his granddaughter Marie Varescot convinces Frank, his cousin, to take responsibility for this "accidental" death, he who is in love with Caroline. But Commissioner Legrand, who has designs on Marie, only agrees to close the affair if Marie marries her, and if Frank leaves with Caroline, abandoning his share of the inheritance. The arrangement is accepted and life goes on.

Dedee is a prostitute, working in Monsieur Rene's night club on Antwerp's harbour. The porter is Marco, her pimp. Dedee is not happy, until she meets Francesco, an italian sailorman. They fall in love and Dedee begins to dream about an escape of her daily dullness.

Four women were murdered, each was knifed and, though they had their clothes torn, they weren't molested. As the famed police inspector Jules Maigret pieces the clues together, he comes to realize that for the elusive man that he suspects to be unmasked, he has to set him a trap.

After attending to a suicidal young man, Dr Richard learns that his wife has been unfaithful for years. This comes as a shock after 10 years of supposedly happy marriage. Back home, he demands answers from Madeleine. A long night of explanations ensues.