Autumn 1196. A secretive stranger arrives at New Winnowlands, and Sir Josse d'Acquin guesses that he is a returning Crusader. Josse seeks the assistance of Abbess Helewise of Hawkenlye to have the man's injuries treated in the infirmary. But then the various demons who are on the man's trail begin to turn up, and Josse realizes that his mysterious guest has brought with him a terrible secret . . .