L'inspecteur connaît la musique

Stéphanie, a police officer working for Internal Affairs, is assigned to a case involving a young man severely wounded during a tense and chaotic demonstration in Paris. While she finds no evidence of illegitimate police violence, the case takes a personal turn when she discovers the victim is from her hometown.

In 1930s Paris, Madeleine, a pretty, young, penniless, and talentless actress, is accused of murdering a famous producer. Helped by her best friend, Pauline, a young, unemployed lawyer, she is acquitted on the grounds of self-defense. A new life of fame and success begins, until the truth comes out.

Marceau Léonetti, a competent and energetic officer stops by chance the son of an influential lawyer driving under the influence of alcohol. A few months later, the lawyer falsely accuses Léonetti as being violent and incompetent. As a result Marceau is transferred to a small police station, where he meets young and beautiful Jeanne. Soon they are faced with a tough investigation.

A serial-killer frightens Paris by phoning young ladies at night, telling them insults about their lives. Minos, as he calls himself, wants to prevent the world from free women and he targets at first these ones. Commissaire Letellier is given the investigation and he has hard work with the maniac.

In a small Breton town, a 10-year-old girl is found murdered. René, her art teacher, a professional painter, is the last person to have seen her alive. The inspector in charge of the investigation immediately questions him. In this small provincial town where people all know each other and regularly meet at the Bar des Amis, René is increasingly unsettled by the other inhabitants' suspicions and by the inspector's investigation. Children stop coming to him for lessons. His wife, Viviane, a district nurse, protects him and supports him with her love. However, a self-centred media-star writer adds to René's confusion...

Upon waking up to the news that the man she’d gone on a date with the previous night has been murdered, a young woman with only a faint memory of the night’s events begins to suspect that she murdered him while attempting to resist his advances.

The film story depicts Emile Buisson, following the death of his wife and child, escaping from a psychiatric institution in 1947 and returning to Paris. Buisson, who three years later would become France's public enemy number one, begins a murderous rampage through the French capital.

A newspaper publisher, wanting to prove a point about the insufficiency of circumstantial evidence, talks his possible son-in-law Tom into a hoax in an attempt to expose ineptitude of the city's hard-line district attorney. The plan is to have Tom plant clues leading to his arrest for killing a female nightclub dancer. Once Tom is found guilty, he is to reveal the setup and humiliate the DA.

Six months before his retirement from the criminal police, inspector Joss finds his colleague Gouvion dead, in a poorly faked suicide attempt. Joss loses his temper, and investigates on his own, which leads him through the bas-fond of Paris...

A Marine veteran working as a school janitor tries to mend his relationship with his son after a divorce. When his son is killed by a police officer found innocent without standing trial, he takes matters into his own hands.