Dana and Elliot, a pair of lusty biologists, develop and evaluate an aphrodisiac pheromone. Preliminary testing offers promise, but surprises await.

Recent divorcée Roselyn gets extra service from buff masseur Joaquin, then joins a Barrish mansion party, where she watches friend Lucy in lusty play, receives a lesson in pleasure from gracious playgirl Zina, and intimately reconciles a misunderstanding with Joaquin.