Finn has some bad luck. First, the paddling trip with his father falls through, and then he is robbed on the train to Berlin. On top of that, neither the conductor nor the police believe that his backpack and ticket have disappeared. Luckily, he meets the adventurous Jola, who quickly hijacks a rickety tractor. An exciting journey to the sea begins, where a brazen gang of rockers, a real wolf and many other fist-pumping adventures await the two runaways.

A kidnapping case starts a dangerous game of cat and mouse for Berlin detective Martin Brühl in the world of illegal car racing. 19-year-old Tim Jatzkowski doesn't come home. At first this is nothing to worry about. But then his father, luxury car dealer Heiner Jatzkowski, receives a ransom demand. Martin Brühl and his team encounter a shocked mother and a rather shirt-sleeved father who thinks the police should do their job and find Tim. The detective tries to convince Jatzkowski to pay the ransom. Among Jatzkowski's regular customers, whom he supplies with tuned luxury sports cars, there are plenty with contacts to the Berlin clans. He decides against paying the ransom.

The mountain spirit Rübezahl falls in love with the young maid Rosa. Blind with love, he does not notice that the Baroness of Harrant wants to plunder his gold treasures in order to build a sawmill in the Giant Mountains.

Best friends Nini and Jameelah are both 14 years old and live in the same housing complex in Berlin. Jameelah's family is from Iraq and might be deported if their application for citizenship isn't approved, but right now, the girls try not to worry about these existential problems. They look forward to the Berlin summer and the school holidays.