A gang of thieves pass themselves off as police officers in order to take advantage of the gullibility of the elderly. The criminals, belonging to a group of travellers, are arrested. But the victims have difficulty in identifying them and the travellers' community closes ranks to protect the black sheep.

The party is at its height in the sumptuous apartment of a former government minister, when one of the guests takes a fall. Suicide, accident or attempted murder? The same evening, mysterious visitors succeed in entering the home of a journalist to place hidden microphones...

A customer in a nightclub doesn't appreciate the particularly high bill he is asked to pay. A gangster involved in organised crime, he reacts as he usually does: with violence...

During a banal identity check, the police discover the photograph of a tortured teenager in the wallet of one of those who have been stopped. The investigation centres on a settling of scores between two rival gangs...

A complaint has been made against Viking, accused of having beaten up the father of a young racketeer. But his situation becomes more serious when a thief is found dead in his cell and everything seems to point to the police officer, including a witness...

A young Asian girl is knocked-over by a hit-and-run driver who leaves the scene after having called an ambulance. From this apparently banal accident, the police end up investigating a new form of slavery.

The police are notified that a cyclist has been assaulted. Seeing a young man force a woman into his car, he had tried to intervene and was shot. Anne is accused of murder, but the whole team know only too well that it's really a scheme engineered by Gimenez.

Julie Astié informs the police of her brother's disappearance. Apparently he had a date with his new girlfriend but fell into a trap. Meanwhile, the police try to untangle a case of attempted murder amongst firemen. As for Franklin, he's doing all he can to get Anne out of prison...

As Anne finds her imprisonment increasingly hard to bear, Vincent, her replacement, arouses suspicion and questions. Blanche and Lulu investigate a case of assault. Two thugs had stolen the bag belonging to a woman in her sixties, but she chased after them, knocked over their scooter and recovered her property...

Anne is waiting to be released. Sylvie Fabre, who has only recently passed her lieutenant's exam, is assaulted as she returns home. The attacker has stolen her police firearm and identity card. A suspect is arrested, but Blanch is unconvinced that he is really the guilty party...

A young footballer dies during a match, victim of an overdose of a drug illegally used to enhance performance. But why would this up-and-coming champion have been doping himself when he really didn't need to?

After the shoot-out that cost Gimenez his life, Franklin is relieved of his command and replaced by Blanche. An appointment that exacerbates the tensions within the team. A shooting takes place in a car park. The only witness suffers from Down's syndrome and is hyper-emotional.

After the shoot-out that cost Gimenez his life, Franklin is relieved of his command and replaced by Blanche. An appointment that exacerbates the tensions within the team. A shooting takes place in a car park. The only witness suffers from Down's syndrome and is hyper-emotional.