David Elmers, the number one online retailer of plants and gardening tools, is found dead in his warehouse one morning. The cause of death: poisoning by a pesticide. A world collapses for the pregnant wife Jenne.
When ten-year-old Elias disappears while playing, the investigators suspect Jürgen Granzow - an imprisoned sex offender and former patient of Elia's father. Dagmar Schnee is convinced that Granzow had something to do with the case.
Agnes Engelmann, single mother of a seriously ill daughter, is found stabbed to death in her house. Was it a robbery resulting in death? This is supported by the fact that a large sum of cash has now disappeared.
The body of the family man and tour operator David Volkwein is found. Wife Meike was unprepared for this news. The investigators want to inform the father of the dead man, but he is terminally ill and only partially responsive.
Rower Mela Bieler finds her ex-boyfriend, team doctor Markus Kleinke, dead in the boathouse of her rowing club. Investigators found a note on the victim's cell phone that there may have been a case of sexual abuse within the rowing club.
Petri Karnitz, a supporter of an organic farming cooperative, is found dead on a country road. Uwe Markwart, the victim's father-in-law, immediately has someone in his sights: cattle rustlers.
16-year-old Hanna Olawie is trampled to death by her horse while grooming in the stable box. It quickly turns out that the supposedly tragic accident was a targeted murder. For the siblings, this means the ruin of their farm.
Sociology professor Heidi Steinbach is found dead at home by her husband. Steinbach was the victim of a violent crime. The investigations lead to the university, where Steinbach not only made friends in her department.
Moritz Brenner is more than concerned. Shyla Bhat, a good friend from Berlin, stands in front of his flat with her little daughter Charu in her arms and collapses. Shyla was being held captive and drugged at a nearby boarding house.
When Anett Behrmann-Boyata and her partner Panos come home, they notice the traces of a break-in. Anett's 16-year-old daughter Asali has apparently been kidnapped. True crime podcaster Dunja offers the investigators to cooperate with them.
During a company event, Maja, the frontwoman of the band 'Rude Sisters', is found lifeless behind the event hall. The questioning of the band members reveals a concrete motive for the murder, because Maja wanted to leave the band.
A night of partying was fatal for 15-year-old Joela Hinrichs: she was found lifeless outside a club. Initial indications point to rape resulting in death. Later it turns out that the victim is not Joela, but her best friend Leonie.
The student Erik Degler is strangled next to a discotheque. The investigators find numerous prescription medication with which he apparently deals with. The suspicion falls on Dr. Schimanski, who was put under pressure by the victim.
17-year-old Emmy Williams is found dead in her parents' gazebo. Suffocated on carbon monoxide - due to an application error when operating the fireplace. The investigators register foreign fingerprints on the fireplace.
During a boxing match, professional boxer Carlo Arena suddenly falls to the ground and is dead. Prof. Rossi finds K.-O. drops in Carlo's blood. The focus is on Harry König, the manager of the deceased, who had a dispute with Carlo.
Two masked men break into a family home and unscrupulously stab a young Syrian man in front of his helpless parents. The family is extremely popular. There is no evidence of an act of revenge.
Former triathlete Ansgar Jacobi is found dead in the park after training in the morning. He was controversial among athletes due to his tough training sessions. The investigation reveals that Ansgar was a toxic manipulator.
In the middle of the night, a woman runs in front of the car of investigator Ina Zimmermann. Completely panicked, she begs for Ina's help because her ex-boyfriend Juri follows her. Ina learns that the woman has been stalked for two years.
Retired judge Joseph Loos is found dead in his home. At first everything points to an inheritance dispute with his daughter Justy. The relationship between daughter and father was very strained. An ex-prisoner is also suspected.
Taxi operator Daniel Riems suddenly loses control of his car. What looks like a tragic accident turns out to be a dastardly murder. Mechatronics engineer Reimund cannot explain who could have manipulated the tires on the car.
Sonya Landauer, founder of an association against violence, herself falls victim to a brutal frenzy of violence. The first suspect is a rioter from the neighborhood. Her partner, who is a judge at the regional court, is also targeted.
Sybille Ebers is found dead in a public square. The impoverished woman had been living in a small gazebo with her husband Klaus since she became unable to work. It becomes clear that the marriage of the two was not so harmonious.
A young man is hit by a car and dies. He wears a uniform from the Battle of the Nations and was adopted by "Napoleon". The victim, Robert Kurz, was a member of a historical club and was apparently poisoned with ricin before the accident.
Lisa, who is overweight, choked on her own food as a result of an insulin overdose. It appears that the dose was given to her wantonly. Due to constant weight discrimination, Lisa lived largely isolated.
Leonie Schubert wakes up from a coma after two years after her brother Simon switches off the life support machines. Completely surprisingly, Leonie now accuses her brother of wanting to kill her back then.
Journalist Silke Becker is found murdered in her apartment. Her apartment door was forced open. A case of procurement crime? Investigations show that the journalist was researching the topic of "forced prostitution among minors".
Ina and her team hope for a peaceful Christmas with their loved ones. But an armed Santa Claus thwarts their plans. A grazing shot from his pistol hits Jan's arm, then the perpetrator flees. Later, he robs an exclusive watch dealer.
The True Crime Podcaster Ivana Matic is stabbed. Apparently she wanted to reopen a ten-year-old cold case for her podcast. Investigations show that she was in contact with Pavel Breznik, who was once in prison for several years.
Sonja Krenz is found dead in the forest. The body has three stab wounds. The day before, Sonja Krenz had brought foster child Dustin back. The homosexual foster parents Jörg and Frank Lemke are suspected of murder.
