In Tandem - Season 1 (2016)

Léa and Paul investigate the death of Nicolas, who disappeared the day before during an evening at sea, and whose body was found under a pontoon. The coroner is puzzled by traces of old burns on his chest and urges investigators to find out which hospital he was treated at. They discover that five years ago, when his business burned down in Royan, the victim was badly burned and his secretary died, after which he changed his identity.

A young woman is found dead. Though it appears to be a crime of passion, the manager of a neighboring gîte confesses to the murder. However, the motive and the proof just don't match up.

The manager of a travelling circus is found dead in a small village. The victim's close circle are all suspects. However, the gendarmes discover a disturbing clue: the family's youngest son was found dead in the same village ten years earlier.

An amateur astronomer is killed at work. Suspicions initially fall on a couple who were there the night of the murder.

A man's body is found on an industrial site. How did he die? Was he really killed here or was the body dumped here to harm the company? If so, who would benefit from this?

The owner of an olive grove is murdered. Who could have wanted him dead? A competitor? His family? The victim's behavior had changed over several months. The investigators then discover that he had run down a young girl, currently in a coma.

The day after a village festival, the body of guitarist Manolo Torres is found in the square by the postman. Lea and Paul are interested in the private life of the victim who belonged to the Travelers. The gendarmes want to know if the evening has degenerated and if it is a settling of scores. They will also search for Lola, a young flamenco dancer who was seen with Manolo the day before his death.

Etienne Monnier is found dead hanging in the outside walls of a castle in ruins. He was a guide for hikers in Ecoloisir, Antoine Crosne's company. Paul thinks it was not suicide, but murder, for there are two marks on his neck. The post-mortem finds a woman's wedding ring inserted in his throat. Estelle Delmas, his girlfriend, is a suspect: she had been engaged before, but the wedding was cancelled. Etienne's mother informs that he was a homeless in the past and thus banned by his girlfriend's family. This can be Paul's last case in the Brigade, for he will be ...

Antoine Crosne drives in his vehicle with Paul to an isolated farm of his own in the middle of the countryside. The brigade issues a capture warrant for Máxime Rouvier: he is a suspect in the murder of Ludivine Crosne, some years before, that was never solved. Meanwhile, Léa summons Laurence Crosne to the Gendarmerie, in case her testimony could shed some light in both cases.