La vie est un long fleuve tranquille

"La vie est un long fleuve tranquille" (1988) is a French comedy film directed by Étienne Chatiliez, offering a satirical perspective on social class in the industrial north of France. The film contrasts the precarious lives of the working class with those of the affluent, church-going bourgeoisie, exploring the timeless question of nature versus nurture. Through the switch of two babies at birth, the film highlights the differences in upbringing and environment, leading to complications in the lives of both families, including the well-behaved and intelligent Maurice (Benoît Magimel) and the rebellious Bernadette (Valérie Lalande).