Following the events in Guernon[1], Commissioner Pierre Niemans (Olivier Marchal) is transferred to head the Central Office Against Crimes of Blood (OCCS).
In December 2015, it was announced the adaptation of the novel Blood Red Rivers by Jean-Christophe Grangé as a television series screened by EuropaCorp with the German production company Maze Pictures as its co-producer.
[5] The actress Erika Sainte is chosen by the author for the role of Lieutenant Camille Delaunay, after spotting her in the series Baron Noir.
The Province of Namur serves as the backdrop for "The Last Hunt": the Château Bayard (in Éghezée) as well as a modernist villa[9] from 1927, in a 4 hectares (430,000 sq ft) wooded park in Blaimont (in Hastière), located a few kilometres from the French border and Dinant.
The shooting of "Holy Theft" took place in Haute-Savoie, partly at the Château of Avenières in Cruseilles, as well as in Sainte-Croix-en-Jarez and in the woods of Vézelin-sur-Loire, in Loire.
The shooting of "Lune noire" took place in Picardy, partly in Ault-Onival,[10] its cliffs, the esplanade under the storm, and the former Derloche-Cantevelle locksmith factory which transformed into a gendarmerie, and mainly in Hesdin – Pas-de-Calais in the villa Debruyne,[11] also called “Château Dalle”, bequeathed in 2016 with its 7,000 square metres (75,000 sq ft) park to the town of Hesdin.