Wealthy gadabout Oswald Hendryks Cornelius is stranded in Cairo when a Syrian businessman picks him up by the side of the road and offers him a room for the night in his desert mansion. While there Oswald meets the man's wife and daughter, both of whom are extremely beautiful. A midnight liaison occurs and Oswald wonders who it was he spent the night with, when the businessman reveals to him new information that could be fatal.
"The Great Switcheroo"
Two middle-class suburban men at a neighbourhood party devise a ruse whereby each can sleep with the other's wife, without either wife realising the deception. They compare sexual techniques beforehand, and one receives a rude awakening the morning after.
"The Last Act"
After being widowed a woman reconnects with the man she left for her late husband years ago. The man is a gynaecologist, recently separated, and unbeknownst to the woman still harbours a grudge for her breaking off their relationship. He begins to seduce her, and a terrible revenge ensues.
Oswald Cornelius becomes entangled with a Belgian olfactory expert who claims to have discovered an eighth smell-related nerve that, when stimulated, unlocks certain aspects of human sexual experience. The expert develops a perfume to stimulate the nerve, causing chaos when it is exposed during a high society dinner for an American women's movement that Oswald is attending.