<p> A plowman who fails to prevent a murder</p><p> A corpse stolen while a priest prays over it</p><p> A clever killer that must be caught in three days</p><p> </p><p>Cathar country (now southern France) late autumn in the year 1200.</p><p> </p><p>The alchemist sends Bertwoin to work in the château's kitchen to prevent the murder of the visconte's son. Bertwoin fails.</p><p>And before the alchemist can examine the corpse for clues the killer commits the impossible crime of stealing the body while a priest keeps vigil over it.</p><p>Now the murderer hunts other noble prey.</p><p>Then Sir Philippe a powerful knight accuses Bertwoin of being the killer.</p><p>The visconte gives the alchemist and Bertwoin three days to find the murderer.</p>