Alice d'Abanville and Louis Ruinard are two extraordinary personalities. They were the most strikingly glamorous couple of the 70s. But this pair haven't seen each other in thirty years.
Gang leader Tony pulls off a major diamond heist with his crew, but cop-turned-criminal Ling knows who has the loot and responds by kidnapping Tony's daughter and holding her for ransom. Unfortunately, Tony's lost the diamonds as well. As he frantically searches for his daughter and the jewels, Tony pairs with a high-kicking government agent who once worked with Ling and seeks revenge on him.
Sami, Tacchini, Yaya and Kader are four small-time crooks from the suburbs of Paris. After a failed robbery, their boss, Carlito, sends them to Canada to spy on his fiancée. There, they are mistaken for a band of professional killers and are hired to assassinate the heiress Léonore de Segonzac...
Frédérique Letheil, who heads the research department of the Emmerson oil group, has sacrificed her private and sentimental life to her experiments. The management, which sees her work as a financial drain, has her unjustly dismissed by the group's general manager, Maxime Vergnaud. When the company realizes its mistake and the economic and ecological potential of Frédérique's research, it asks Maxime to bring her back at all costs.
