A brand new story by Astrid Desbordes (a bestselling author with over 1,000,000 copies sold worldwide), inspired by the world of Gabrielle Vincent.

It all starts on a beautiful Sunday with a bright blue sky, an autumn wind, and... an angry Celestine. After an argument with Ernest, the little mouse decides to move to the world of mice and live with her friends Charlotte and Oscar. Celestine has everything she needs to be happy: a new, big white house, beautiful dresses, a dance teacher... But does she really have everything? Is it possible to forget a dear friend so easily?