A chilling, mesmerizing novel that combines the best of modern forensic thrillers with the detail and drama of historical fiction. In medieval Cambridge, England, four children have been murdered. The crimes are immediately blamed on the town's Jewish community, taken as evidence that Jews sacrifice Christian children in blasphemous ceremonies. To save them from the rioting mob, the king places the Cambridge Jews under his protection and hides them in a castle fortress. King Henry I is no friend of the Jews-or anyone, really-but he is invested in their fate.