The engineer Rosalie leads a life without standing still. She doesn't feel old for a long time, only mature. When Rosalie returns to Germany after a fainting spell at a solar project in Africa, it's just supposed to be a breather. When she shows up at her bourgeois sister Margret's with a huge container, she is not very enthusiastic about the surprise visit. The retired teacher sees right through that Rosalie isn't staying with her voluntarily. The well-travelled woman is broke! It seems like a miracle that there are a huge chunk of banknotes in a hole in the wall of the room. On the other side of the wall there is the room of the highly talented high school graduate Karla, who rents a part of Margret's house with her father Harald. After a failed first meeting, Rosalie befriends with the wheelchair-bound teenager and sets her mind on getting Karla out of her sheltered isolation, even against her will.

Glocke had a simple plan to set the pimp Hermann's SUV on fire, become an internet star and impress Lena. Instead, he drops into a mobile toilette and becomes a webfail. He decides to follow the web call to hike and search for the drop-out Friedrich. Together with Judith, Steffi, Elias and Paule he heads of into the Harz. As access to internet and smartphones are not allowed the plan to start all over again works and the adventure brings the five together. But each teenager has a secret of their own and soon the hike leads the teens to face their past.

In a small North German village a drama played out during and shortly after the Second World War about duty versus individual conscience and morality.