THE HERETIC'S APPRENTICE: In the summer of 1143 two visitors arrive at the Abbey of Saint Peter and Saint Paul- one dead and two very much alive. But when a violent death ensues, Brother Cafael is called once more to turn detective and solve the murder- but matters are complicated still further by the marvellous treasure box in Elave's care...THE POTTER'S FIELD: During the ploughing of the Potters Field in October 1143 the grisly remains of a woman's body are unearthed. Abandoned by her husband, the tenant potter, rumour had it that the woman had returned to her homeland- perhaps with a lover. But the discovery of the corpse on Abbey land raises all sorts of questions. THE SUMMER OF THE DANES: In April 1144 Brother Cadfael leaves his monastery once more representing the bishop on a matter of church diplomacy. Cadfael does not forsee trouble on this errand, but then becomes entangled in the affairs of Heledd, a young woman desperate to escape an arranged marriage, and in conflict between Owain Gwynedd and his treacherous brother Cadwaladr...