Eisner and Fellner hunt for a serial killer.

Faber and his team investigate a rabies attack inside of the prison.

After a billionaire is killed during a burglary, the victim's wife shoots and kills the perp. [Weimar]

A package with a severed finger leads Rubin and Karow to an art film eerily paralleling their investigation.

Borowski's last case led to the transfer of his colleague Sarah Brandt. In order to escape the anger in the commissariat, Borowski plunges into a case that leads him into the vast landscape of the North Frisian Wadden Sea. On Suunholt, a small, sleepy North Sea island near Denmark, a man was found dead who is no stranger in Kiel. Years ago Oliver Teuber was the key figure in a corruption scandal. The dead man had apparently found a new life and a new love far from Kiel. On Suunholt, the commissioner faces the completely disbanded Famke Oejen, who found her lover lifeless in her shared bathroom. Borowski is captivated by the mysterious atmosphere of the strange islanders.

A car, submerged in a Köln quarry lake, with a body in the trunk: Detectives Max Ballauf and Freddy Schenk investigate. [Köln]

Two bodies are found in a dilapidated house on the outskirts of Nuremberg. A 58-year-old Libyan and his sister were both brutally murdered with a rebar. They came to Germany 15 years ago, were fully integrated, and have now lain for days in their own rotting blood. The brutality of the crime is shocking. Ahmad, the victim's highly admired and highly gifted foster son, has disappeared. Was he perhaps a witness to the crime? Or the perpetrator? The pressure is mounting rapidly, and the public is demanding swift explanations. Felix Voss and Paula Ringelhahn are leading the grueling investigation. But what are they dealing with? A family tragedy, a robbery-murder, or a pure act of bloodshed? Research into the right-wing scene yields no leads. Shortly thereafter, a colleague from the fraud unit dies unexpectedly while driving from a fatal drug interaction. He leaves behind his wife and two children. For Paula, this news is catastrophic.

Two shots were fired from Falke's weapon. He and his colleague Grosz come under suspicion and have to face internal investigations. But there are also others who had an interest in the young woman's death. Were Falke and Grosz used and should they now be made scapegoats or has their use actually gotten out of hand?

Ballauf and Schenk race against time to find a kidnapped girl during a murder investigation. [Köln]

A woman presumed dead for seven years reappears with a patchy memory. [Weimar]

A letter from his godchild Grete conjures up the spirits of the past with Commissioner Borowski. Heike Voigt disappeared four years ago. She was a friend's wife. Her husband Frank Voigt was suspected at the time and acquitted for lack of evidence. In the letter, Grete asks her uncle Klaus for help.

Rubin and Karow investigate a jogger attacked by a boar and a man murdered in a coffee kiosk.

This dead man almost went undiscovered. But the forensics confirm: It was the burnt bones of a person that were found in a fireplace on the outskirts of the city. The investigators also find the key to a hotel room in the ashes. There the inspectors discover a supposed witness: But the intimidated and starving boy obviously doesn't understand a word. There is no way to find out who he is. There is also no missing person report that would be appropriate. Meanwhile, the forensic doctor Dr. During her investigations, Greta Leitner came to the conclusion that the male victim had already suffered numerous broken bones during his lifetime.

Eisner and Fellner investigate when a charred body is found on a country road.

Falke and Grosz investigate a series of burglaries in Hamburg.