Malicious (1973)
A widower and two of his sons become infatuated by their beautiful housekeeper, and all three set out to seduce her using their own unique methods.
Directed by: Salvatore Samperi
Starring: Laura Antonelli, Turi Ferro, Alessandro Momo, Tina Aumont, Lilla Brignone, Pino Caruso
Links: IMDb, Movie posters, Movie stills