When her cousin Morcar is attacked while fishing for eels near Ely Abbey, Lassair is sent to the Norman occupied island to nurse him. As the secret hidden within the walls of the abbey claims more victims, Lassair is forced to face a challenge that she fears is far beyond her.

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!

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 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...

"October, 1093. Two young men have been brutally beaten to death; a third viciously attacked. All three men are of similar appearance. But could there be another connection? Lassair meanwhile has agreed to accompany her former lover Rollo on a perilous journey north in search of King William. On their trail is a skilled, relentless and ruthless assassin. Who is he -- and why has he targeted Rollo? If they are to survive, the hunted must become the...