Albert Uderzo and René Goscinny are the joint creators of the most translated literary work from French culture in the world. Albert Uderzo, designer originally in the duo, for 18 years, then sole author for 43 years, therefore accompanied the destinies of Asterix and Obelix, these famous antiheroes, figures of French pop culture since the 1960s. documentary recounts the little-known life, the exceptional career and the heavy ordeals experienced by this artist, guided by Antoine de Caunes, eternal fan, and illustrated by testimonies from personalities who knew him well such as Jean Todt, Alain Chabat, Alexandre Astier , Zep, but also his widow Ada, his daughter Sylvie and René's daughter, Anne.