John Thoresby, the Archbishop of York, lies dying. Owen Archer, Thoresbys master of the guards, is one of the few men Thoresby trusts. He is determined to ensure that his lords last days are as peaceful as possible, but his plans are thrown into disarray when Thoresby agrees to a visit from Joan, Princess of Wales and wife of the Black Prince. Candace Robb is the author of two ongoing mystery series featuring medieval sleuths, the Margaret Kerr Mysteries and the Owen Archer Mysteries .