Young Killian Melville is arguably the most brilliant architect of the age; passionate about his art he is liked by everyone. So when he visits Sir Oliver Rathbone in need of a lawyer to represent him over his alleged breach of promise to marry the daughter of his patron Rathbone agrees despite his misgvings. The case is not an easy one. Zillah is beautiful & even-tempered heiress to a fortune & a good friend. What more could any man want? & why would Melville risk losing the professional reputation he has worked all his life to build? Frustrated by his clients refusal to divulge any further information & convined he is keeping something from him Rathbone his own professional integrity at stake decides to ask his close friend Hester Latterly for an objective opinion about the case. She meanwhile has contacted William Monk to investigate a mysterious family matter from twenty years ago. Little do they realise that the three of them are about to tackle the most baffling & complex case with which they have ever been faced...