It was during one of his missions in Norway that Antoine learned of his wife's death. He leaves his experimental submarine and returns to Paris. Helene was found in the Seine and had taken barbiturates. Even though he had not been with Hélène for six years, he knew her well enough to believe that she was incapable of committing suicide. So who and why?

Jean Levêque has been unemployed for two years. His wife, Armelle, tries to support the family but her salary cannot cover all the expenses. Together with his wife and father-in-law, he imagines stealing a truck carrying used banknotes destined for destruction. With the help of a vehicle of the road service, they perpetuate their coup which succeeds perfectly

Fred is a gambler and deep in debt. He owes crime boss Victor a lot of money and the time to pay has come. He decides to take a massive risk to refund his debts and agrees to kill a man. Fred knows he has to pay his debt and that the only way to do it is to carry out the hit arranged by Victor.