Candida Royalle's husband Paul Scharf wants anal sex, but Candida (who allegedly is "introduced" in this movie) isn't prepared to make that leap just yet. She talks the problem over with gal-pal Jocelyn Martene, who, of course, puts the moves on her, including using an anal probe so Candida can see what anal feels like. Candida lets Jocelyn put it in her pussy, but balks when she goes for the anal insert.
Cut to Candida in a therapist's office, where both the shrinks (Angela Tufts, Tyler Reynolds) watch loops of people having anal sex, then strip and get it on anally themselves as Candida solos nearby. The doctors suggest a session that includes the husband, where more movies are shown (including footage that obviously wasn't in the original film), which leaves everyone so turned on that a fourway ensues that, of course, includes anal - all the more interesting if this was in fact Candida's first screen appearance.
Retailing: "Introducing Candida Royalle" should have some selling power among your customer base.