<i>1399</i>, <i>London</i>. The prioress at St. Frideswide wants to hire Crispin Guest, Tracker of London, to investigate murders at the priory. Two of Prioress Drueta's nuns have been killed in a way that signifies two of the Seven Deadly Sins, and she's at her wits end. Meanwhile, trouble is brewing when the exiled Henry Bolingbroke returns to England's shores.
