The environment concerns everyone—including these roommates! How can people be convinced to recycle and sustainably change their behavior as consumers? The four discuss what could be done.

Yara and her landlord are talking about climate change. Yara is appalled by how some people are so indifferent to the issue.

The final part of the episode sees the criminals apprehended and the Pfefferkörner delighted by a surprise parting gift from Kim.

Nele and Kim Soo-Ri are trapped, but the Pfefferkörner are coming to the rescue. Also, Kim's manager, Nesrin, has arrived to help... or so he believes.

Levin and the other Pfefferkörner follow the candy trail left by Nele.

Nele and Kim have arrived safely at Goldmann Café, but the kidnappers are not going to give up any time soon.

Nele manages to get into the van that Kim Soo-Ri has been loaded into. They both wait for the right moment to make their getaway.

Kim Soo-Ri gets a message from his parents saying they have come to Hamburg a day early. He hurries to meet them, but he's in for another surprise...

Levin and Nele, who both aspire to be in the group of young detectives known as the Pfefferkörner, are at the Elbphilharmonie to watch piano prodigy Kim Soo-Ri rehearse. However, it seems someone there has sinister plans for him.

All's well that ends well? You'll find out when you watch the last part of this episode. Enjoy!

Dirk fills Chief Küppers in on the latest, and a shocking revelation about Officer Kunert comes to light. The suspect is being watched, but an unforeseen turn of events threatens to derail the entire operation.

Paul finally knows what to do with his van. Elias is starting to feel at home in his new place, and Krabbe gets some tips on how to make compliments—but it still needs work.

Elias has somewhere new to hide out for a while. Meanwhile, Paul and Dirk have a heart-to-heart.

Dirk finally meets up with Elias. Suddenly, his colleagues from the homicide squad show up, and Elias recognizes one of them. After getting some key information, Dirk is starting to connect the dots.

The cab driver's alibi doesn't add up. Matthies wants to meet Elias but is stopped by his colleagues from the homicide squad.