Spring 1366, Beverley, England--a ghostly pale young woman claims to be the resurrected Joanna Calverley, a nun who died of a fever some months before. It would be a matter for the Church alone, were it not for the murders that seem to follow in her wake.

Owen Archer finds the case a frusterating one. Dame Joanne is by turns cagey and hysterical, whiel always clutching her secrets tightly. And worse yet, the nun's keepers ask Owen's pregnant wife, Lucie, to use to healing skills on Joanna's behalf, placing the Archer family in gravest danger...