Tonya Glimmerdal & mdash; the only child in the whole of Glimmerdal. She is soon ten years old, she has red braids, freckles on her knees and a very restless nature. Tonin's best friend & mdash; old Gunwald, her godfather. You can talk to him about everything in the world. He used to be a violinist, but now he cooks cocoa for her from real chocolate bars, makes snowmobiles and, it would seem, can't live a day without Tony. But does she really know him well?
When Gunwald gets to the hospital, Tony discovers a huge secret that everyone turns out to know except her! And this mystery is so amazing that it can ruin their comfortable life in Glimmerdale. As spring melts the snow and makes the mountains shine and the river gurgle, Glimmerdah's little roar makes her best friend in the world, Gunwald, happy again and start playing the violin ...