The suspicious death of a foreign bishop brings trouble to Sister Fidelma and the kingdom of Muman.

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 Cu