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.

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.

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.

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.

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 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.

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.

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?

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.

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.

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 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.

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.

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.

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.

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 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.

Morgane has to solve the murder of 20 year old Naïma; Morgane will have to get out of this hellish whirlwind by reconnecting with Karadec.

Morgane is called on a crime scene, Yvan Desfard is found dead on the side of a road; Morgane will have to unravel the mystery of this murder while trying to distance himself from Timothy.

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.

Salomé Rousseau, 19, was found dead in middle of a dissection auditorium; the investigation takes a rather distressing turn when all the evidence leads us to think that the victim was a vampire.

Serge, a bullet lodged in one of his legs, reveals that he owes money to a biker group; while Morgane, helped by her children, tries to stop the bleeding, she is immediately called to a new crime scene.

The owner of a jewelry store is found dead as a result of an attack with a drilling machine; at the crime scene, Morgane recognizes the jewelry that Serge stole in the past.

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.

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.

After Morgane informs Karadec that she might be pregnant with his child—and he has no memory of sleeping with her—the Lille police are tracking a mysterious serial killer responsible for the deaths of several young women in the region.

The DIPJ investigates the unexplained disappearance of a young woman several years ago, in the far reaches of Brittany. This investigation will lead Morgane to meet Karadec's parents!

Several weeks have passed, and Morgane's belly has grown, making the investigations even harder for her. While the murder of an influencer during a live stream on social media will give the investigators a hard time.

A tribute to Columbo, for once, the culprit is identified at the start of the episode, and Morgane will do everything to expose them! However, she's on maternity leave and shouldn't be involved in this investigation!

Following the birth of Léo, Morgane and her four children moved in with Karadec, with whom she is now a co-parent and roommate, in addition to being a colleague! And after a parental leave consisting of sleepless nights and camping in the living room, it's back to work for our two heroes. But, between fatigue, the eternal custody problems and a mysterious crime that quickly turns into a nervous breakdown... This 24-hour day could well be the longest of their lives!

It's finally Léo's first day of daycare, and Morgane arrives at a crime scene where the victim was a carpooler when suddenly, she sees Karadec arrive... with their baby! But who brings their children to a crime scene, our consultant is offended! And yes, the commander is having trouble cutting the cord, much to the dismay of Morgane, who has seen it all. While untangling this story of cigarette poisoning, estranged cousins, and a dog shelter, our two heroes could well be troubled by their new relationship as co-parents.

A woman presents herself to the DIPJ to report an assault that hasn't yet taken place! A clairvoyant, she claims to communicate with spirits, only to be murdered herself! While Morgane and Karadec struggle to continue working as a team while hiding the new nature of their relationship, Daphné tries her hand at spiritualism, and what appears to be a hoax quickly turns into the hunt for a cold-blooded killer.

After receiving some unfortunate news about her father Serge, Morgane is forced to take the train with her family to Boulogne-sur-Mer. It's like the end of the world for our already overworked mother. On the train, which is nothing like the Orient Express, Morgane spots all sorts of strange clues that make her fear that one of the passengers has been kidnapped during their journey! Brilliant intuition or one too many delusions? While Morgane tries to escape her destiny and especially Karadec, he might well come knocking at her door again. For a new start?