Max gets commended in the paper for excellent police work, and finds himself targeted by a maniac in response. Directed by Thomas Stiller, 2007.

Silke Rohwedder's empty sailing boat is found on the open sea. Her jacket, shoes and handbag on board, there are no signs of her.

When a truck is robbed, one of the drivers is killed and another is seriously injured. The investigations always lead Lena Odenthal and Mario Kopper back to the shipping company, because it quickly becomes apparent that there was an informant within the company. When Lena and Kopper find out about the shipping company's payment difficulties, the perpetrator seems to have been identified. But then a second murder occurs and the two detectives have to start their investigation all over again.

Two scuba divers discover a man's body during a dive in Lake Achensee in Tyrol. The body has been weighed down with chains and an umbrella stand and sunk. Apparently, the deceased had been lying at the bottom of the lake for about 15 years. The autopsy reveals that the man was shot with a shotgun. Surprisingly, it turns out that the murdered man came from the former East Germany. [Eisner (Vienna) and Pfurtscheller (Innsbruck)]

A desperate mother leads Lursen and Stedefreund on a quest to see if cell phone radiation makes people sick.

The city of Kiel goes on lockdown after a sniper shoots a man on the Hörn Bridge.

Batic. „ A gmahde Wiesn “ means in Bavarian both „ a mowed meadow “ and colloquially „ a project that cannot go wrong “ - „ a surefire thing “. And „ die Wiesn “ is of course also the synonym for the Munich Oktoberfest, the largest folk festival in the world. As every year, showmen and Munich hosts are preparing for the race for the coveted places. The violent death of the influential city councilor Hubert Serner (Bruno Graf) is therefore an issue in the city: Serner's assistant Diana Aljescu (Anita Matija) found the lawyer in his garden pond.

Münster. Professor Boerne's past catches up with him when a skeleton is found in a wooded area near the city.

A professional was at work here. Police officer Gerd Samland was murdered in a brothel with two well-placed shots. Was Max Ballauf's friend and colleague actually a regular at this establishment? To ensure that nothing is swept under the rug, the "Internal Investigations" department intervenes: Samland, who worked for the motorway police, was involved in illegal dealings with the underworld, claims Detective Inspector Brauer. He takes over the case from the homicide squad.