Uctred thought he had discovered pig bones. He did not know or care why they were in the cesspit at the base of Bampton Castle wall. Then he found the skull. Uctred is a tenant, bound to the land of Lord Gilbert, third Baron Talbot, lord of Bampton Castle, and had slaughtered many pigs. He knew the difference between human and pig skulls. Lord Gilbert called for me to inspect the bones. All knew whose bones they must be. They were not. Hugh de Singleton, fourth son of a minor knight in Wyclif’s England, had had some good fortune. Newly trained as a surgeon, he was staring from his Oxford window, hoping for clients, when Lord Gilbert was kicked by his groom’s horse. Hugh’s successful treatment of the suffering Lord led to an invitation to set up his practice in the village of Bampton – and, before long, the request to identify some bones…