In the 7th Century, King Oswy of Northumbria convenes a synod to hear debate between the Roman and Celtic churches. He has to decide which shall be granted primacy in his kingdom. When an abbess from the Celtic church is murdered, an investigation is launched by Sister Fidelma, Celtic, and Brother Eadfulf, Roman.

Fidelma of Cashel turns her attention from marriage to murder in February of 668 A.D. when the King of Connacht, a distinguished guest at her wedding, is accused of killing the much-disliked Abbot Ultan.

Counseling a hostile Irish delegation to the Celtic church of 670 A.D., Fidelma of Cashel is embroiled in a politically tenacious investigation when one of the delegates is found murdered, a case that is complicated by the theft of a priceless reliquary.

Investigating the murder of an eminent scholar who was robbed of mysterious manuscripts, Sister Fidelma and her companion, Brother Eadulf, are quickly targeted by the same killer in a case that is complicated by divisive personal problems. By the author of The Council of the Cursed.

Summoned by her brother, the king, when the body of a murdered noble is discovered near Cashel in 670 Ireland, Fidelma and her companion, Eadulf, follow scanty clues linking the victim a violent uprising under the leadership of a religious fanatic. By the author of Behold a Pale Horse.

"Ireland, A.D. 671. An Anglo-Saxon delegation arrives in Cashel to debate the new religious rules that have been handed down from Rome. The Abbot of Imleach leads the Irish delegation, which is hostile to the new rules from outsiders. Among the Anglo-Saxon group is Brother Eadulf's own younger brother Egric, whom Eadulf hasn't seen for many years. When the debate quickly becomes acrimonious, a local abbess has to step in as a mediator between the...

Shocked to learn that a loyal advisor to the king has been murdered in an enemy fortress and that the chief suspect is scheduled to be brutally executed, Fidelma is challenged to sift through overwhelming evidence to clear the suspect's name and identify the true killer.

"Ireland. AD 671. Sister Fidelma has a mission, and she is sworn by oath to reveal her purpose to no other. The secret investigation leads Fidelma and her companions to the abbey of Finnbarr to question the abbot. But before they have a chance to speak to him, the abbot is found murdered - and the young girl suspected of the crime has fled the scene"--Publisher's website.

"Ireland. AD 672. The body of a dead man has been found on a lonely mountain road and taken to the isolated abbey of Gleann Da Loch for a proper burial. The abbot quickly identifies him as Brehon Brocc, who had been travelling to the abbey on a secret mission with Princess Gelgeis and her steward. When news reaches Colgu, King of Muman, that his betrothed, Princess Gelgeis, has disappeared, Fidelma with her trusted companions, Eadulf and Enda, enter...

"Ireland. AD 672. The abbey of Muman at Imleach Iubhair is being renovated when its guests' hostel burns to the ground. There is one fatality: Bishop Brodulf of Luxovium, a distinguished visitor and cousin to the King of Franks. Sister Fidelma is asked by Abbot Cun to investigate the unfortunate incident and soon finds that the bishop had been stabbed to death before the fire had even started. Thrown into a world of treachery and jealousy, where religious...