Isabel is drawn into an investigation of the facts behind the transplant, with disturbing results. Her enquiries take time, but not so much time as to prevent romantic entanglements, both for Isabel and her housekeeper, Grace. And as for chocolate: that proves to have some very interesting philosophical ramifications, at least in the mind of Isabel Dalhousie. Chocolate is a moral problem, invoking questions of temptation and, of course, human weakness. We are all weak when it comes to chocolate, Isabel decides. Should we just accept the fact and get on with it?