An Unholy Communion (The Monastery Murders)

Felicity's ecstatic enjoyment of her fellow ordinands' singing in Ascension Morn from the top of Pusey Tower at the College of the Transfiguration is shattered when a black-robed body hurtles over the precipice and rolls to a stop at her feet. Father Antony recognizes the corpse as Hwyl Pendry, a former student of his, who has been serving as Deliverance Minister in the diocese of St. David's. The police ignore the strange emblem of a double-headed snake curling across a triangle Hwyl clutched in his hand and label the death a suicide. But Hwyl's widow is convinced otherwise, and pleads for Felicity and Antony to help her uncover the truth. Matters grow murkier as Felicity and Antony, leading a youth pilgrimage through rural Wales, encounter the same sinister symbol of a double-headed snake on their travels. Lurking figures follow the group. Then one of the young people is found face-down in a well ...