The main protagonist is Sabina, who came to her aunt on vacation because her parents travel.  She has to use the holidays to improve her French with her aunt. The house where the aunt lives is strange, not very charming for the child's soul. But Sabina is adventurous and brave and she finds a gentle and peaceful friend Greta there. Greta is different. She looks upon the world from her wheel chair. Her view inspires Sabina deeply. The story depicts how a "new world" gradually opens up for both characters and how their relationship develops. The story was illustrated by Martin Kellenberger, whose illustrations are characterized by line drawing, vibrating line, colour, optimism and a world view through a smile.
The book was awarded The Most Beautiful Children's Book of the Summer 2019.