It is the adaptation of the French Belgian comic strip of the same title by Wilfrid Lupano and Paul Cauuet (2014).
French visa # 147177.
Christophe Duthuron and the shooting team begin shooting on 19 September 2017 in Occitanie, precisely Auterive in the Gers, Tarn-et-Garonne, Villemur-sur-Tarn and Labarthe-sur-Lèze in Haute-Garonne. Garonne and in October in Nézignan-l'Évêque in the Hérault, until November 3, 2017.