Mr. Lehmann does not like that Ms. Lorenz and Mrs. Bredow are discussing their colleague’s illness, and he strongly reprimands them both. In the archive, Mr. Lehmann aggressively confronts Ms. Lorenz…

As Mr. Ellwanger gets caught in the act, Henning decides to meet up with Rosa after all. But then Rosa's father turns up unexpectedly...

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.

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!

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

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.

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

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...

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…

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…

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.

The colleagues at the police station erupt in laughter when they discover a recording featuring their colleague Lothar that has gone viral. Meanwhile, Henning introduces himself as the new “Cop4U” presenter at a local school, where birthday girl Rosa Schimmel happens to be a student…

Jan narrates another story based loosely on a tale by the fictional noble storyteller Baron Munchausen, a character created by Rudolf Erich Raspe in a book published in 1785. Here, the protagonist rides a cannonball over a besieged city.

Max and Nina are trying to make the best of their awkward time stuck in the elevator together. Meanwhile, Henri is very relieved when Emma finally comes home. Together they search for evidence against Debbie… and find it!

An intruder grabs Henri — is he going to kidnap him? Meanwhile, Nina gets stuck in the elevator with Max, who may now finally be forced to talk to her.