Hugh of Singleton fourth son of a minor knight has been educated as a clerk usually a prelude to taking holy orders. However feeling no certain calling despite a lively faith he turns to the profession of surgeon training in Paris & then hanging out his sign in Oxford. A local lord asks him to track the killer of a young woman whose bones have been found in the castle cess pit. She is identified as the impetuous missing daughter of a local blacksmith & her young man whom she had provoked very publicly is in due course arrested & sentenced at the Oxford assizes. From there the tale unfolds with graphic medical procedures droll medieval wit misdirection ambition romantic distractions & a consistent underlying Christian compassion.