Iris has a seemingly flawless husband, two wonderful daughters, a dental practice with a relentless stream of customers, a nice apartment in an area she loves, friends who understand her... And she’ll soon be 50. And then a stranger plants a seed in her head: "Take a lover". Iris open Pandora’s box and candidates emerge as if from nowhere – as if it were raining men.
Though a childhood bout with polio left him dependent on an iron lung, Mark O'Brien maintains a career as a journalist and poet. A writing assignment dealing with sex and the disabled piques Mark's curiosity, and he decides to investigate the possibility of experiencing sex himself. When his overtures toward a caregiver scare her away, he books an appointment with sex surrogate Cheryl Green to lose his virginity.