The series follows the adventures of lighthearted Jean-Paul Moulin, a police Commissaire, and his team as they solve crimes.

Rosalie, a beautiful young woman gets involved with successful businessman Cesar. One day, Rosalie's former flame David appears and attempts to win her back. Cesar reacts with a jealous intensity never before seen by Rosalie, and because of that, she returns to David. She remains conflicted regarding her choice of partner, but eventually, one of the men does something which resolves the situation.

Max is a Paris detective, aloof, independently wealthy, and frustrated by gangs of robbers whom he cannot catch. To re-establish his stature and save face, he decides to inveigle a group of petty thieves (led by an old acquaintance) to rob a bank. A reluctant captain provides Max intelligence and Max starts spending evenings with Lilly, a prostitute who's the girlfriend of the group's leader. He poses as a rich banker with money to burn and encourages Lilly to think about her future. He hints at a payroll that comes through his bank. The plot works, the petty thieves think they're ready for a big score, and the cops are in place. What could go wrong with Max's cold plan? Who's entrapped?

Marina and her boyfriend have an argument while on a trip in France. While driving with the car among the cliffs, he starts speeding and the car falls into the sea. Marina can jump out of the car, but her boyfriend seems to be drowned. She gets to know his brother and he falls in love with her. But why does she always feel watched? What reasons are behind her strange behaviour anyway? Did she really murder her boyfriend? But is he dead anyway?

Two adventurers and best friends, Roland and Manu, are the victims of a practical joke that costs Manu his pilot's license. With seeming contrition, the jokesters tell Roland and Manu about a crashed plane lying on the ocean floor off the coast of Congo stuffed with riches. The adventurers set off to find the loot.

Bandits see the fruits of their theft fall into the hands of black jackets.

While visiting her father, an American teenage girl is thrown into London society during its final "Debutante Season."