Ernest and Celestine are travelling back to Ernest's country, Gibberitia, to fix his broken violin. This exotic land is home to the best musicians on earth and music constantly fills the air with joy. However, upon arriving, our two heroes discover that all forms of music have been banned for many years - and for them, a life without music is unthinkable. Along with their friends and a mysterious masked outlaw, Ernest and Celestine must try their best to bring music and happiness back to the land of bears.

Once upon a time in 2012, three brothers lived happily. One day their mom fell into a coma. So Henri, Philippe, and Louis suddenly started wondering about the meaning of their lives and were swamped by a wave of existential doubts. An entirely new situation for this bourgeois trio in their forties, one which opened a door to the novel and indeed the forbidden... and to the big bad wolf!