Was produced and released as part of The Alliance, a co-production agreement announced in 2018 between European broadcasting groups France Télévisions (France), Rai (Italy) and ZDF (Germany) in order to pool resources and fund ambitious productions to compete with original productions from American streaming services such as Netflix. Previous projects from The Alliance include Mirage (2020), Le Tour du monde en 80 jours (2021), Leonardo (2021), A corps perdu (2022), Germinal (2021), The Reunion (2022), Les rescapés de l'Arianna (2022), In her car (2024) and Abysses (2023).