The Owen Archer mysteries follow a Welsh soldier and former captain of archers who becomes an investigator, spy and officer in fourteenth-century York. Beginning in 1363, Owen serves Archbishop John Thoresby and later the city authorities, while his marriage to apothecary Lucie Wilton gives the investigations a close connection to medicine, childbirth, trade and the daily life of the city.
Local killings repeatedly intersect with the politics of Edward III's final years, the Hundred Years' War, church patronage, Welsh resistance and the accession of Richard II. Across the series, Owen's military experience and divided loyalties are tested against his responsibility to Lucie, their household and York's citizens, producing mysteries in which private crimes are shaped by the ambitions of merchants, clerics, nobles and royal agents.