How and when do you use the imperative? Eylin explains and gives some practical examples.

Mirko tells Daniel that Lea Stolze, the murder victim, was his ex-girlfriend. And now his gun has gone missing too... How will Daniel react?

Arne Elsholtz, the German voice of Tom Hanks and other Hollywood stars, is a guest at the Carpe Diem studios in Appenweier.

After a photo of Elias is released, Dirk has to try to find him however possible. Meanwhile, Nina and Paul try to take care of the financial issues they are each having.

We are constantly exposed to substances that are harmful to our bodies, such as toxins in food, alcohol, exhaust fumes, and cosmetics. On top of that, there are medicines and other chemicals. How does the body deal with these?

In the second part of this mini-series, Nico, another physiotherapist, talks about what makes this practice so special and why they get so many good reviews. Paula also wants to know how Nick came to choose this particular profession. It's an interesting story!

With the help of surveillance camera footage, the officers from the 14th precinct discover that someone rode the victim's bicycle and then got on a train. Of course, this is Elias, the young man Dirk is trying to protect.

This video gives you some insight into the services offered by one of Karlsruhe's physiotherapy practices. We explore the facilities with Paula and Dirk and get to know the staff.

Dirk Matthies is still puzzled as to where Elias got his cell phone number. The detectives from the homicide squad come to his office to ask about it and their conversation is not exactly amiable.

Mirko, an acquaintance of Daniel's, turns up at the police station with a question concerning a "friend of his" who has lost a gun... At the crime scene, two detectives make it clear to the other officers that they will now be taking over the investigation.

Even with high-tech running shoes, lots of people still suffer injuries. Barefoot running could be the solution! Knee, hip, and back injuries are often caused by an incorrect gait, which running shoes tend to exacerbate. So should we run barefoot like our ancestors?

Nina and Paul arrive at the scene and find a man's wristwatch near the victim, who is around the same age as Paul's daughter. She still has her wallet, but it looks as if her cell phone has gone missing.

The allure of the Feldberg Lakes with their clear, fresh water was described many years ago by the writer Hans Fallada. In the last part of this series, you can see how professional conservationists and volunteers are helping to preserve these impressive waters.

The condition of the aquatic habitat is checked at regular intervals by conservationists and some interesting discoveries have already been made. Meanwhile, the ospreys are gradually training their young to become independent.

Our heroes are back on board the ferry looking for the thieves. Just as they are about to give up, they notice some unusual behavior. Are they on the right trail?