en Cuevana 3. Ollie lives in a busy city with her parents and half-sister Nim, who has Down’s syndrome. While Ollie loves Nim, it often feels like a responsibility. At their grandmother Antje’s 75th birthday, they plan to perform Nim’s favorite song. When Nim panics about her forgotten elephant headband, she runs into the woods, and Ollie chases her. They get lost but face enchanting challenges together.