The Chalice of Blood (Sister Fidelma Mysteries Book 21)

In the twenty-first installment of Peter Tremayne's series, Sister Fidelma returns to unravel a perplexing murder at a 7th-century Irish abbey. When an esteemed scholar is found dead within a locked cell, Fidelma and her companion Brother Eadulf are called to investigate amidst growing danger and unexpected challenges. As the mystery unfolds, they face both external threats and personal trials that test their bond.