Consider the Ravens

In 1494, scribe Linnet returns to Lindisfarne seeking sanctuary from her criminal past. Isolated among monks who resent her, she finds companionship only with a fisherman and a sharp-eyed child. When a monastery official threatens to expose her secrets and is later found drowned, Linnet suspects murder. As more deaths follow, she must uncover the killer hiding among the brethren before her own past makes her the next victim.