May 1195, and Sir John de Wolfe is called upon to unravel the mystery of a series of murders. A Jewish money-lender, a London harlot, a dissolute priest and a burgess suspected of abusing young boys, are all brutally slain.
The common factor is a Biblical text, left at each murder scene, which reflects the alleged sin of the victim. So the killer must be literate and Bible-learned, and in an age where only one percent of the population can read or write this can only mean one thing. The murderer is a priest.