In Autumn of 1093, Lassair encounters a veiled noblewoman on the quay at Cambridge, set on by an angry mob. She has no idea that the woman, alone but for her infant child, brings both mystery and peril. Then a devastating flood hits the fens, and among the wreckage washed up at Aelf Fen is a body. Lassair, in the company of a sheriff's officer, wonders if she is dealing with murder. Meanwhile, in the south, Lassair's beloved Rollo is moving with relief...

Psychic Lassair finds the body of a young woman, and becomes involved in the search for the killer. Suspicion points to the brother of the woman who is about to become Lassair's sister-in-law!

Startled awake by an unearthly voice that warns her that one of her loved ones is in danger, eleventh-century apprentice healer Lassair learns that a nun at the abbey where her beloved sister lives has been murdered, a situation that pits Lassair againstan unexpectedly dangerous threat.