Tandem - Season 6

Julius Suton, a historian specializing in the life of Nostradamus, is found dead at the foot of the Pine Tower with a mysterious vellum in his hand. Is this one of the lost prophecies of Nostradamus ? Does the vellum predict the death of Julius, or does it indicate the place where the skull of Nostradamus is hidden ? Paul is inclined to the second hypothesis. Swimming in mystery, he is not at the end of his surprises.

Brother Francis is found dead outside the gates of his abbey. What was this novice doing outside in the middle of the night ? Paul finds in his cell a bible filled with strange annotations and a diagram that evokes the Tear of Saint Louis, the legendary lost diamond. Would the younger brother have found the relic and killed it to get it back ? Or is his murder linked to his strange past, as Leah seems to think ?

The whole brigade is under tension after the explosion of an SUV that injured two gendarmes. The SUV was spotted at the scene of a robber's murder. Would the murderer have decided to attack the gendarmes ? Leah is quick to receive a message of claim, the killer promising not to stop there and do justice himself. Paul and Sabine are intrigued by the writing of this email which seems to have been written by a gendarme.

Lea cannot believe that a gendarme may be at the origin of threatening emails. For her, the brigade is like family. However, she must face the facts: the killer is among them. The paranoia that reigns in the team therefore does not help the investigation to move forward. But alas, time is short.

The body of a man disguised as a pirate is found on the beach. Visibly drowned dead, he is bound feet and fists, would he have suffered the torment of the board? And who is this man, would he be a real pirate? Paul and Leah discover that he had received the famous black mark as in the treasure island, someone threatened him ? Is it related to the treasure of Gaspard Dot that the victim claimed to have discovered ?

William Martel, owner of an airfield, is found dead in his office knocked out by one of his aerobatic cups. Lea wonders about William's schedule. He lied to his relatives. Why ? What was he doing about such a mysterious thing ? Paul discovers that the victim's planter has disappeared. Is that why he was killed ?

Cécile Bazin, director of the zoo, is found dead in the cheetah enclosure. Despite the bite marks, it was not the cheetah that killed her. Would we have wanted to make believe an accident by letting the beast enter the enclosure when he should have spent the night in his dressing room ? Léa and Paul discover that Cécile did not lack enemies. She had received hundreds of threats since the announcement of euthanasia of a baby cheetah born with a genetic defect. Was she killed to save the animal ?

Fishermen catch Alice's boyfriend Julien cleaning up a crime scene on the harbor. Everyone accuses him of killing his friend, Mickael. Leah desperately tries to get explanations from Julien, who remains maimed. Why did he go after the man he considers his brother ? Lea is keen to follow the proceedings so that the case cannot be turned against Julien or his family. But Alice, convinced of Julien's innocence, is ready for anything, even if she puts herself in danger to help him. The case will not leave the Soler-Marchal family unscathed.

Little Leonore is abducted from the nursery during the nap. A real race against time is committed for Leah and Paul, who must find the child as soon as possible. Leonore's family situation may not be alien to the kidnapping. Indeed, the parents of the little one are fighting for his custody, the father wishing to bring his daughter back to his country. Did either of them remove the child, lest the judgment be favorable to him ?

Shots sounded at the edge of the Mejean pond. A woman agent of the OFB (the French biodiversity office) is found dead. The murderer is not far away, you have to be quick. The gendarmes understand that the victim was investigating around the pond. Leah is convinced that she was looking for something, but what ? It then sends divers, which takes out a second body. Who is this new victim who has not been declared missing ? What is the relationship between her and the grievor ? Were they killed by the same person ?

A body is found in a state forest. As the head and hands were burned, it is impossible to identify the victim, so Lea relies heavily on the help of Franck, the pathologist. The murder weapon found in the pyre is a tool used by foresters, loggers and forest guards. Would the murderer be one of them ? Zoé, Franck's sister, who is a forest guard, knows the place well and offers her help. But during the investigation, Zoé mysteriously disappears.

Zoe's disappearance worries Leah a lot. But when she questions Franck, he acts strangely. So she comes to wonder if Zoe and her brother would be involved in the murder. Does the case have any connection to the family drama they experienced a few years before ?