As Inspector Thomas Lynley investigates the London angle of an ever more darkly disturbing case, his partner, Barbara Havers, is looking behind the peaceful façade of country life to discover a twisted world of desire and deceit. The suicide of William Goldacre is devastating to those left behind who will have to deal with its unintended consequences. Could there be a link between the young man’s leap from a Dorset cliff and a horrific poisoning in Cambridge?