Flooding in Krumau am Kamp: three infant bodies, two girls and a boy, are found in the basement of the Trummler family's farm, which has long been uninhabited. The children were suffocated immediately after birth and buried on the spot. A dark reputation precedes the Trummlers – the word "cursed" is used more than once, after the daughter's disappearance without a trace...

After suffering a severe head injury on the job, criminal investigator Tommy Wehrschitz is being suspended – for his own good. In order to deal with the changes in his life he decides to go to southern Burgenland, to sell property he inherited from his estranged father. Barely arrived, Tommy is invited to see the circus, which is currently in the village, but the colorful spectacle is cut short when a flying knife misses its target and kills an audience member instead.

The 16-year-old daughter of the highest dignitary in Hüttenberg is found murdered in the disused mine. For the first time, Muck has to deal with a case of this magnitude.

Katrin Fischer, a successful businesswoman and participant in a snuggle seminar, is looking forward to an evening tête-à-tête. But instead of romantic hours for two, a bullet in the heart awaits her.

Fake detective Jonas Horak is now in custody after being arrested by police officer Sophie Landner. A series of murders has Horak on edge, and he fears a serial killer is targeting him.

In their second joint case, detectives Lisa Kuen and Alexander "Alex" Yüsüf-Demir from the Innsbruck criminal police investigate a murder near a small Tyrolean town, where a dead man is found in the Wolfsschlucht, the victim was shot.

A retired police officer discovers a dead body on a frozen lake. When his own family members become the prime suspects, he decides to start his own investigation.

Major Vilser is in trouble. First he gets a young Vorarlberg policeman assigned as a sidecar, then his twelve-year-old son Florian is at the door. And Gerlinde Zach from the anti-corruption agency has her eye on him.

A male body is found in the Steyr breakthrough reservoir. The police officers of the LKA Linz do not think about suicide. Shortly afterwards it turns out that the dead man is the man who killed Sepp Ahorner's wife and daughter in an accident and who Sepp had been looking for for years.

After the body of an escort girl is found in a mountain lake, the case quickly turns personal for the lead investigator.

This time, the Graz detective Sandra Mohr and her supervisor Sascha Bergmann have to go to the remote Mürztal to solve a bizarre death with the jovial local police officer Ferdinand Franz: The entrepreneur Walter Fürst is dead in his own bed – with strangulation marks on his neck.

The Graz chief investigator Sascha Bergmann and his colleague Eva Merz from the Spusi try to combine the official with the romantic, but unfortunately a routine case in the tranquil East Styrian hill country unexpectedly degenerates into work: What initially looks like the suicide of a drunk turns out to be poorly disguised murder! This in turn calls Bergmann's partner Sandra Mohr onto the scene, who puts herself in danger in her investigative zeal.