People say that Lizzie Wade is a lucky woman. She has a career she adores as a cookery writer, is married to an eminent doctor and has three lovely children. Most people assume that Christopher Wade heads Lizzie's list of blessings. A handsome man, he is also a gifted plastic surgeon who has mostly shunned the private sector to dedicate himself to the NHS and the needy around the world. But no one really knows what goes on inside a marriage. Or what can happen behind closed doors