From the book jacket:In February of The year of Our Lord 1141, men march home from war to Shrewsbury, but the captured Sherif Gilbert Prestcote is not among them. Elis, a young Welsh prisoner, is, and he is delivered to the Abbey of Saint Peter and Saint Paul to begin a tale that will test Brother Cadfael's sense of justice... and his heart. By good fortune, it seems, the prisoner can be exchanged as Sheriff Prestcote's ransom. What none expects is that good-natured Elis will be struck down-by cupid's arrow. The sheriff's own daughter holds him in thrall, and she, too, is blind with passion.