Don Tillman, professor of genetics, has never been on a second date. He is a man who can count all his friends on the fingers of one hand. Conceding to the statistical probability that there is a significant someone for everyone, he embarks upon The Wife Project. In the orderly, evidence-based manner with which he approaches all things, Don sets out to find the perfect partner. She will be punctual and logical - most definitely not a barmaid, a smoker, a drinker, or a late-arriver.
Yet Rosie Jarman is all these things. She is also beguiling, firey, intelligent - and on a quest of her own. As an unlikely relationship blooms, the scientifically minded geneticist confronts the realization that love is not always what looks good on paper.