A Hawkenlye medieval mystery - May 1199. Abbess Helewise has been summoned by Queen Eleanor to discuss the building of a chapel at Hawkenlye Abbey. Meanwhile, Sir Josse d'Acquin is on the trail of a group of mysterious knights rumoured to be devil worshippers. As Helewise heads for home, Josse follows his quarry to Chartres, where he meets the last person he expects: Joanna. And she has grave problems of her own . . .