The partners are back and are in a tight spot! Francois is going through a moral crisis, and Rene is experiencing the same. But, honesty is not always the best policy. After being suspended for their actions, they return to face their far more crooked replacements.
Architect Dumas dies from a bullet of his own gun in front of his house. The police suspect his young Swedish wife Catherine and her English lover Tom Hastings. After numerous interrogations, in which they entangle themselves in contradictions, they try to flee, but are soon both caught and brought to trial, he in England, she in France. Only when Catherine keeps on proclaiming her innocence, superintendent Corbier finally considers believing her.
In 1951, in Saint-Germain-des-Prés, the private detective Nestor Burma was commissioned by an insurance company to find stolen jewelery. The deal seemed easy and Burma got an appointment with a well-known black trumpet player in the neighborhood who could provide him with information. But the musician does not come and we find him murdered. The investigation becomes more complicated and Nestor must find an alibi so as not to be suspected of the crime.
Catherine Hubscher, laundress, saves the life of an Austrian nobleman with the complicity of her fiancé, Sergeant Lefebvre, the day when royalty collapses. And then the years pass ... Become Marshal of the Empire and Duke of Danzig, ex Sergeant Lefebvre always has for wife Catherine, the ex laundress; and this, in spite of the efforts made by the Emperor Napoleon to have him divorced, the Emperor blamed him strongly for the lack of distinction of Catherine. Faced with the Marshal's refusal, Catherine was summoned to the Emperor's house and the dialogue between them lacked heat to say the least, until the former lieutenant Bonaparte recognized in Maréchale Lefebvre, Catherine the laundress, who once , gave him credit for his laundering debts.
After a bank robbery gone wrong, a crook goes on the run across Belgium to escape the police, clear himself of a crime that he did not commit, and protect his girlfriend from a shady lawyer.
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.
Betrayed by an informant, Philippe Gerbier finds himself trapped in a torturous Nazi prison camp. Though Gerbier escapes to rejoin the Resistance in occupied Marseilles, France, and exacts his revenge on the informant, he must continue a quiet, seemingly endless battle against the Nazis in an atmosphere of tension, paranoia and distrust.
In 1870s Scotland mining engineer James Starr is asked by former colleague Simon Ford, who's living inside the abandoned Aberfoyle mine, to help solve mysterious occurrences taking place inside the mine.
Although his alcoholism has been treated, Alain still feels he is deeply unwell and does not feel he can leave the detoxification clinic once and for all. His wife, living in New York, continues to pay for his treatment, but no longer contacts him directly. He intends to commit suicide, but first takes a ride to Paris to catch up with old friends.