Summer 1939. Influential families in Nazi Germany have sent their daughters to a finishing school in an English seaside town to learn the language and be ambassadors for a future looking National Socialist. A teacher there sees what is coming and is trying to raise the alarm. But the authorities believe he is the problem.

Thomas Wellmann is an electrical engineer at the municipal utilities in a small town and is replaced by an AI in his mid-50s. Then a prolonged power cut becomes the trigger for Thomas to prepare himself, his wife and his two daughters for an emergency...

Cookie manufacturer Bertram Dinkler with his old-fashioned know-it-all attitude triggers an unexpected fighting spirit not in the teenagers, but in single mother Stefanie Eckhoff. Stefanie challenges Bertram. She wants him to do a sports badge and try to do better than her. Right from the first training session, the rivals realize that they may have gone a little too far. Fortunately, their stubbornness helps both of them to unleash unexpected energy.