Heidi and Peter manage to trick Karl and Theresa into telling them where Peter’s treasure chest is hidden. They bring the chest back to the tree house. But someone has been spying on them!

Before Lothar can confront Ms. Kuppers, she sends him and Nikki to check on Mr. Würfelkrütz, where something is amiss. Meanwhile, Rosa realizes that the seriousness of her allegations and tries to contact Henning.

Lothar and Nicki find their suspicions about Commissioner Küppers confirmed. Meanwhile, Rosa's father shows up unexpectedly at the family home.

Dirk, Harry, and Katja speculate about why Rosa would make up such an extreme story about Henning. Henning himself wants to confront Rosa, but Harry stops him; meanwhile, Dirk and Katja pay Rosa’s absentee father a visit on his ship.

Lothar comes across some astonishing evidence in his hunt for the person who posted his call online. Meanwhile, Henning is suspended from the force, and Rosa seems to be getting closer and closer to her goal.

Pepe wants to make peace with his aunt Yara, so he shows up at her shop with a bouquet of flowers. Unfortunately, it seems they don’t agree on anything — including whether it’s better to live in the city or in the countryside.

The treasure hunt can begin! The two teams have been given different clues by Karl, and are now setting out on the adventure.

Katja and Dirk confront Henning regarding Rosa’s accusation. Meanwhile, Lothar tries to follow up on his internal assignment without his colleagues noticing – but then Nicki catches him in the act.

Rosa's mother discovers the bruises on her daughter's arm and calls the police. Katja and Dirk ask Rosa about the course of events and the identity of the perpetrator. The answer leaves them speechless...

The two young women, both somewhat lost, ponder the loss — and meaning — of an apartment. In the end, they realize that you can also be happy in the rain…

At his apartment, Henning confronts Rosa about the fact that she’s been lying to him. She admits that she has feelings for him. He rejects her advances and finally takes her home — but she’s unlikely to let go of her crush…

Upon returning from her excursion, Inge goes to eat at Max and Tarek's restaurant. Everyone wants to know whether she had a good time on the trip. Perhaps she met someone interesting?

Jan from Munich presents us with another fantastical story inspired by the adventures of Baron von Münchhausen — the “Baron of Lies.” Here, the hero rescues himself and his horse from a swamp.

After her apartment burns down under unexplained circumstances, a workaholic moves in with an old acquaintance from her school days. It’s clear that the two of them don’t really share a strong bond.

While Henning is generally pleased with his popularity in his role as Cop4U at the local school, one student is showing him a little too much attention. Meanwhile at the police station, Lothar is given a tricky assignment.