A young French teenage girl after moving to a new city falls in love with a boy and is thinking of having sex with him because her girlfriends have already done it.
Michel returns from a trip. He meets up with his friends from the H.L.M. housing estate. Together, they have set up a meeting place. The developer has the place demolished. Furious, instead of rebelling, the friends organize a party in the housing estate. The party gets off to a good start, but a tragic event interrupts it...
The series follows the adventures of lighthearted Jean-Paul Moulin, a police Commissaire, and his team as they solve crimes.
