The personal ad posed a simple question: Are you happy? If not, consult Mr. Parker Pyne. The answer is a resounding no for a jealous wife who suspects her husband of a lonely widow driven to assume a new a distraught mother whose son has been for the finance of a strangely reclusive bride-to-be. But what sort of detective would solicit in the personals? The sort who has a knack for investigating affairs of the heart. For therein lie the darkest motives for murder. And they are proving most lucrative for the hopelessly romantic - a highly suspicious - inspector Parker Pyne.