Following a fall during mistletoe picking, Druid Panoramix decides that it is time to secure the future of the village. Accompanied by Astérix and Obelix, he undertakes to travel the Gallic world in search of a talented young druid to transmit the Secret of the Magic Potion.

Boule’s father now writes comics based on the adventures of his son Boule and his dog Bill. His new editor demands that he give up happiness and freshness and that he now tackle sad and dark stories. Too happy to compose this kind of dramatic story, he decides to generate chaotic situations in his daily life so that inspiration comes to him. For her part, Boule is in love with Stéphanie, but she seems to love the new boy of the school, a young rebel named Wilfried. Synopsis © Cinoche.com