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.

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…

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…

When he witnesses the lovely girl he's just met get shot, Elias calls the police, but he doesn't want to give his last name.

On a boat in the harbor, two teenagers meet by coincidence and under different preconceptions. One is off to meet a mysterious man who she claims is dangerous, while the other says the boat belongs to his father. Meanwhile, a cop on the night shift tries to sell his old van.

A new start, lonely hearts listings, and secret gifts at the police station—and so begins a new installment of this series.