In February of 668 A.D., Fidelma of Cashel and her companion Eadulf are about to get married. Again. Their initial trial marriage of a year and a day has ended and they are about to embark on a permanent partnership. As the sister to the King of Muman, Fidelma's marriage ceremony is a major event in the kingdom of Ireland and the High King, as well as kings of the other Irish kingdoms and other major figures are going to be in attendance. One not so welcome guest is the fanatical Abbot Ultan, who advocates the radical position of celebacy for all religieuse and feels that Sister Fidelma's...