The daily grind for the cops of the Police Department's Juvenile Protection Unit - taking in child molesters, busting underage pickpockets and chewing over relationship issues at lunch; interrogating abusive parents, taking statements from children, confronting the excesses of teen sexuality, enjoying solidarity with colleagues and laughing uncontrollably at the most unthinkable moments. Knowing the worst exists and living with it. How do these cops balance their private lives and the reality they confront every working day? Fred, the group's hypersensitive wild card, is going to have a hard time facing the scrutiny of Melissa, a photographer on a Ministry of the Interior assignment to document the unit.

In 35,000 BC, the tribe of the Dirty Hairs is in war against the tribe of the Clean Hairs for eight hundred years, trying to get their shampoo. The chief of the Dirty Hairs sends his daughter Guy disguised to the enemy tribe to get some shampoo for his tribe. When the healer of the Clean Hairs tribe surprisingly kills two cavemen of his tribe, their imbecile chief assigns Pierre with curled hair and Pierre blonde to investigate the murder and find the criminal.

Charly Mattei has turned a new leaf on his past as an outlaw. For the past three years he's been living a comfortable life and devoting himself to his wife and two kids. However, one winter morning, he's left for dead in the underground parking garage of Marseille's Old Port with 22 bullets in his body. Against all odds, he will not die.

So called friends at a dinner party end up acting like a dysfunctional family.