There is a black streak in the life of brilliant crime expert Dr David Hunter - his career hangs in the balance and his personal life is bursting at the seams. So the call from Essex Police comes just in time... There is little left of the body found among the Backwaters moors and quagmires, and only a true forensic genius can answer three questions: Who was this miserable? What did he die of? And does it have anything to do with two mysterious disappearances of people that were never solved?