Season 4

Fanny and Niko Grewe have breakfast at a lovingly laid table. Suddenly a siren sounds. Blue light. And then they discover: A dead woman lies in the garden. The dead woman found a neighbor: Marie Lehmann. She cannot muster much pity for the woman's death. Because of Ulla Seifert, Marie Lehmann lost her livelihood as a childminder. Did she take revenge for it? Fanny Grewe is the daughter of the dead Ulla Seifert. She lies completely confused in the arms of her husband Niko. A strange couple. They move like twins. Always know everything about each other. When they enter Ulla Seifert's apartment with Commissioner Luna Kunath and her new colleague Tamara Meurer, it smells of cigarette smoke. According to Fanny Grewe, her mother was a non-smoker. And then there's DNA from two unknown people. ...

What seems like a hit-and-run by a group of privileged teenagers might be more complex.

An alternative medicine practitioner is found dead. But finding the killer won’t be easy.

At Konditorei AG, two employees recently died by suicide and now another is missing.

A local barber is shot in the head. The only witness is a man who can’t speak.

The skeleton of a young girl who went missing 15 years ago is found in a forest canopy.

A political advisor for a mayoral candidate is found dead. Were the two having an affair?

A man is found dead in his bathtub. The police discover a story going back to the GDR.

14-year-old Julian is found trembling in his living room surrounded by blood.

A friend of Tamara’s is shot. Is his death related to his role as an undercover detective?

A university researcher studying DNA editing is killed by a kitchen knife to the heart.

A vicar has been killed. Luna and Tamara try to solve the mystery on-site.

Two thieves on a jet-ski have been robbing boats at gunpoint. But are they murderers?