The charred body of a 17-year-old boy is found in the family barn; Morgane and Karadec's investigation initially points to the theft of a cow at his parents' farm.

While an over-eager journalist sticks her nose into a case, Morgane struggles to get through her break-up; her living situation at Celine's is uncomfortable, and she decides to take her kids to sleep at the scene of the crime.

A Lille football club supporter is found dead in the court’s changing rooms. Accompanied by her daughter, Thea, who is doing an internship at the police, Morgane sets out to investigate the male-dominated world of football fans.

Morgane discovers the body of a salesgirl who was a lottery winner and decided to walk away and resume a normal life; Commander Karadec is under investigation by Internal Affairs.

When two little girls disappear, everyone’s suspicions turn to their father, a solitary and unstable man. Everyone’s except for Morgane’s. Meanwhile, a new lead regarding Romain’s disappearance comes to light.

While Morgane is taking a training course in an emergency call center, she receives a call from a woman who claims a murder is taking place before her very eyes; when Morgane questions her, the woman swears she never called.

The body of a 20-year-old man is found; Morgane finds out he was a delivery boy who claimed to be an airline pilot.

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The police investigates the case of a man who was found drowned in his hotel room bathtub. In the meantime, Morgane accepts the position of police consultant, but sets one very specific term for her collaboration.

A vet is found dead in her clinic and, although it is initially believed that she died of natural causes, Morgane discovers that she was actually poisoned. Meanwhile, Morgane meets her mother to learn more about Romain.

When the dead body of a kite-surf club manager is found on a beach, all suspicions fall on the sole eye-witness of the murder. But Morgane believes he is innocent and will do everything in her power to prove it.

In Lille’s police department, the case of Antoine Levasseur’s murder is almost solved. But when the case file falls into the hands of the building’s highly intelligent cleaning lady, Morgan, all facts are called into question.

With Romain’s death now confirmed, Morgane is once again stricken with grief. Meanwhile, a man is taken to the hospital in a state of coma, after a murder attempt against him. But what could have been the motive?

A promising skater is killed when she was hit by her own car. Luckily, a woman crossed paths with the murdered. The problem? She is blind. How will Morgane and Karadec now manage to identify him?

A body is found on the side of the road and everyone believes she is a narcotics cop; Internal Affairs opens an investigation of Morgane, who tries to solve the murder from afar.

An undertaker is found dead in his funeral parlor; Morgane discovers that he was poisoned while working on the corpse of a woman, who officially died of cancer; when her coffin is exhumed, they find it empty.

At the hospital for her ultrasound appointment, Morgane is called to a crime scene: Dr. Bubé has been murdered with a fire extinguisher in his office. The crime scene is chilling, given the violence depicted in the images on site. The investigation takes a strange turn when the team discovers that anti-speciesist activists are involved. Morgane will have to unravel the mystery of this murder alongside Karadec, who is preparing to leave the force, and Commander Prigent, her successor. A task that matches her abilities but appears much more complicated than it seems.

As her children compel her to contact the other potential fathers of her child, Morgane is called to a new investigation: Antoine Broussin, an 85-year-old crime novelist, is found dead in a secret room in his home. The investigation becomes complicated when Marie Besnard, an acquaintance from Morgane's time in prison, becomes the prime suspect.

Tristan Delvallée, a procurement officer for a maintenance company, is found stabbed. To their surprise, the team discovers that the victim was also a hacker. Morgane will have to solve this case. The problem is, her case is linked to Karadec's. The duo will be forced to collaborate once again, despite their recent tensions.

An investigation explores Romain's final hours; Roxane, an Internal Affairs agent and Karadec's girlfriend, have found inconsistencies in the file on the death of Morgane's ex-boyfriend.

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A year after leaving the police force to become a maid again, Morgane becomes a private investigator; she is hired by Emilie to find out who is behind the mysterious events that torment her.

Morgane's pregnancy disrupts her daily life, but she still has to return to work. Alexandra Collet, 42, a stay-at-home mom deeply connected to her hearing-impaired son, is found dead by her husband. The investigation takes a different turn when detectives uncover that the victim led a double life as a drug dealer.

Morgane will have to solve Adele Mercier's mysterious crime, killed with a bullet between her two eyes, while her relationship with Karadec gets more and more complicated.

Morgane finds herself in prison, accused of a murder she did not commit; she tries to adapt to the prison environment while trying to resolve the crime behind bars.