Was initially meant to shoot between March 16 and April 10 2020, which was delayed two and a half months due to the COVID-19 pandemic.
Was conceived under the title "Meurtres à Granville", but went under production as "L'Aigle de Sang" ("The Blood Eagle"), which was then changed to "Péril à Granville" ("Peril in Granville"), before finally circling back to "Meurtres à Granville" upon release.