Welcome to Dortmund! In this video, Ivana shows us some of the sights in this large city in North Rhine-Westphalia, including St. Reinold's Church, Hansaplatz, and the City Garden.

Lona and Elling drive to Santovaal, the company where Dreyer worked for years. From Dr. Fichte, they learn that Dreyer was a very distinguished employee to whom Santovaal owes a great deal.

Piber Castle in the Styrian Alps is home to one of the world's noblest horse breeds: the Lipizzaners. Each animal is carefully prepared for the Spanish Riding School in Vienna. Our journey now continues through western Styria to Herberstein Castle.

Sören Jasper goes to the fish stand at the Marnow campsite to do a bit of snooping around. He tries to strike up a conversation with the regulars, who knew Beck but mainly give him a hard time.

Moritz and Ivana guess which pets are being described—from fluffy to slimy, from sweet to mischievous. How well do you know your pets? Test your knowledge with our questions!

A dead fox on the road gives Lona and Elling new ideas about the motives of two different perpetrators. Jasper tries to learn more about Beck in a casual conversation with the Benders over a plate of smoked eel. Meanwhile, Peters, who followed Lona and Elling, identifies himself as an LKA investigator at the campsite and tries to get information about the current state of the investigation.

At Herberstein Castle, Andrea Sagmeister creates fragrant culinary works of art from rose varieties that have blossomed for centuries. We learn how carefully she selects the flowers, processes them, and transforms them into delicious syrups and jellies.

From Herberstein Castle, we continue into the mountains of the Fischbach Alps and Semmering with its historic railway line. Finally, we meet Markus Göksu, who dives into mysterious mountain caves.

Peters manages to find out the current state of the investigation from Lona and Elling, but he doesn't reveal any information himself. Elling is suspicious, so he calls the Schwerin Criminal Investigation Police Office to check if everything is above board.

We watch Martin Göksu cave diving and learn about the safety rules. Then the journey continues through the Austrian limestone Alps to the Erzberg, where iron has been mined for many centuries.

In this episode, we head deeper into the Ausseerland, where traditional dress is still a part of everyday life. The perfect shoes to complete the outfit are Haferlschuhe, hand-made by master shoemaker Sonja Grill.

This video is about the German R. You'll learn how it's properly pronounced and why it's difficult for many German learners.

In the first part of the new episode, there is initially a recap of what has happened so far. Lona and Elling are sitting by the lake and talking when Elling receives a call from Böhm.

In this episode, the wild mountain streams of the Ausseerland region take center stage. A popular and challenging sport in this area is canyoning. We accompany athletes in their extreme sport through narrow gorges and learn why this activity provides them with a special balance to everyday life.

Bjørn Dunkerbeck is the greatest legend windsurfing has ever produced—surpassing even his long-time rival and now friend, Robby Naish. RTL reporter Laura Pröscholdt went to visit him and his family on Gran Canaria and learned: Windsurfing keeps you young!