Tessa Crichton, in a more tailored appearance than her last, investigates why Mike Parsons disappeared (justified by his dismal marriage -- he's later found dead) -- and what of the contentions of his sometime girl Chloe that Parsons had been much too ""kind"" to her incurably ill brother (also found dead in the Thames)? In what was once the classic genre -- for those who will find that cup of tea is now a tot of gin and just as satisfactory.