When Borchert receives an anonymous message that a certain Franz Brosi is innocent, law firm boss Dominique can hardly believe it. After all, Brosi was her first client as a public defender a few years ago and had actually confessed. The two are investigating the case.
Klemens Kurz is a family man, a successful meteorologist - and autistic. He has Asperger's Syndrome, which means he takes everything literally, is a logic genius and has a special relationship with his emotions. When he was offered an attractive job for a research project in Svalbard in the Arctic, he quickly told his two teenage kids, Nelli and Carlo, that they were going to the far north. And Grandpa Arthur should come along too. No option for the three, a plan has to be found! In order to dissuade Father Klemens from his plan, the teenagers try to find a wife for him by all means of modern online dating. But as a person with a special relationship to his feelings, this is not an easy endeavor.
While his mother is in rehab and his father is on a 'business trip' with his assistant, 14-year-old outsider Maik is spending the summer holidays bored and alone at his parents' villa, when rebellious teenager Tschick appears. Tschick, a Russian immigrant and an outcast, steals a car and decides to set off on a journey away from Berlin with Maik tagging along for the ride. So begins a wild adventure where the two experience the trip of a lifetime and share a summer that they will never forget.