The non-fiction author Walter falls for the physics student Agnes. He is fascinated by her extreme attitude towards life and her reserved appearance, which is quite the opposite of his quiet and regular life. When Agnes encourages him to follow his passion for writing fiction, he starts to work on a book, a portrait of how he sees her.

After finding out that her husband, Rudi, has a fatal illness, Trudi Angermeier arranges a trip to Berlin so they can see their children. Of course, the kids don’t know the real reason they’re visiting — and the catch is, neither does Rudi…