Infidélités (1975)

Let's go back to 1975. Jean-François Davy had just managed to revive his down in the dumps film-making career with the scandalous EXHIBITION, a documentary on notorious porno actress Claudine Beccarie that shrewdly crossed the line into hardcore territory as a means of illustrating its subject, effectively making it the first explicit adult movie to play respectable Paris cinemas on the Champs Elysées rather than the grind-houses in the more disreputable parts of town.