Flying Sex (1980) aka Sesso profondo
1980A wife only experiences pleasure onboard airplanes due to a childhood trauma, so her psychoanalyst advises her to become a stewardess and live the high-mile life for a while to resolve her issue.
Actors: Donald O'Brien
Emanuelle and the Last Cannibals (1977)
1977A hunter’s wife gives their black hired help a blowjob in the woods and fucks him on the forest ground while her husband sleeps inside their tent.
Giochi erotici di una famiglia per bene (1975)
1975A husband comes home and finds his wife in bed with a lover.