The thrice widowed vowess, Lady Apollonia of Aust, brought her servants with her to Glastonbury in early February, 1397, to help her widowed son and his three small children. In Glastonbury, the Lady and her party were overpowered by the dominating presence of the abbey and the extraordinary legends which defined it. While Apollonia and her household settled in her son's home, they were unaware of the arrival of two Druids from Ireland who came to accomplish a mysterious purpose. When a brutal murder is discovered on the market place of Glastonbury, the orphaned son of the murdered woman is brought into the Lady's household. Apollonia becomes aware that her son's home will be robbed while he is away serving King Richard II. The Lady is at the centre of the investigation of the murder to determine the connexion between local crime and certain priests. She also embraced a number of ancient Celtic truths revealed by the Druids, defining the town of Glastonbury and the mysterious rocky peak called the Tor.